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Alcohols and Ethers — JEE Previous Year Questions

Every Alcohols and Ethers question asked in JEE Main and JEE Advanced across the last 186 papers — 145 questions, each with its correct answer. Free to read, no account needed.

Questions

145

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106/186

Appearance rate

57%

All 145 Alcohols and Ethers questions

Most recent papers first.

Q1·ChemistrySingle correctJEE Main 2026
Consider the following sequence of reactions The major product P is:
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (C)

Step-by-step solution →
Q2·ChemistrySingle correctJEE Main 2026
Consider the following reaction. Statement I : In the above reaction, product formed will be a mixture of benzyl alcohol and iodobenzene. Statement II : In the above reaction, the −O−CH2−-\mathrm{O}-\mathrm{CH_{2}}-−O−CH2​− bond is cleaved to give the product. In the light of the above statements, choose the correct answer from the options given below :
  1. (A)Both Statement I and Statement II are true
  2. (B)Both Statement I and Statement II are false
  3. (C)Statement I is true but Statement II is false
  4. (D)Statement I is false but Statement II is true

Correct answer: (D)

Step-by-step solution →
Q3·ChemistryNumericalJEE Main 2026
4.7 g of phenol is heated with Zn to give product X. If this reaction goes to 60% completion then the number of moles of compound X formed will be _______ ×10⁻². (Nearest Integer) (Given molar mass in g mol⁻¹: H:1, C:12, O:16)

Correct answer: 3

Step-by-step solution →
Q4·ChemistrySingle correctJEE Main 2026
Consider compounds A, B and C with following structural formulae A = CH3_33​ - CH2_22​ - CH2_22​ - CH2_22​ - CH2_22​ - OH B = CH2_22​ = CH - CH2_22​ - CH2_22​ - CH3_33​ C = HO - CH2_22​ - CH2_22​ - CH(OH) - CH3_33​ For the conversion of B from A, reagent (D) required is __________ and structural formula of product (E) obtained when C undergoes same reaction using excess reagent (D) is __________.
  1. (A)D: Conc. H2_22​SO4_44​; E: CH2_22​ = CH −-− CH(OH)CH3_33​
  2. (B)D: PCC; E: HO −-− CH2_22​ −-− CH2_22​ −-− CH = CH2_22​
  3. (C)D: PCC; E: CH2_22​ = CH −-− CH = CH2_22​
  4. (D)D: Conc. H2_22​SO4_44​ or H3_33​PO4_44​; E: CH2_22​ = CH −-− CH = CH2_22​

Correct answer: (D)

Step-by-step solution →
Q5·ChemistryNumericalJEE Main 2026
One mole of phenol is treated with dilute HNO3_33​ at 298 K to give a mixture of products. The mixture is separated by steam distillation. The steam volatile compound (X) is separated. The increase in percentage of oxygen in (X) with respect to phenol is _____ ×10−1\times 10^{-1}×10−1 % (Given molar mass in g mol−1^{-1}−1 H:1, C:12, N:14, O:16)

Correct answer: 175

Step-by-step solution →
Q6·ChemistrySingle correctJEE Main 2026
Identify the colour of compound ′X′'X'′X′ in the sequence of the reaction.
  1. (A)Violet
  2. (B)Green
  3. (C)Red
  4. (D)Colourless

Correct answer: (D)

Step-by-step solution →
Q7·ChemistrySingle correctJEE Main 2026
Amongst the following, the total number of compounds soluble in aqueous NaOHNaOHNaOH at room temperature is:
  1. (A)5
  2. (B)4
  3. (C)6
  4. (D)3

Correct answer: (A)

Step-by-step solution →
Q8·ChemistrySingle correctJEE Main 2026
The descending order of acidity among the following compounds is: A. Phenol B. 4-nitrophenol C. 4-methoxyphenol D. 4-nitrobenzoic acid E. Benzoic acid Choose the correct answer from the options given below:
  1. (A)B > D > E > A > C
  2. (B)D > B > E > A > C
  3. (C)C > A > B > D > E
  4. (D)D > E > B > A > C

Correct answer: (D)

Step-by-step solution →
Q9·ChemistrySingle correctJEE Main 2026
The reactions which produce alcohol as the product area : A. CH4+O2→ΔMo2O3CH_4 + O_2 \xrightarrow[\Delta]{Mo_2O_3}CH4​+O2​Mo2​O3​Δ​ B. 2CH3CH3+3O2→Δ(CH3COO)2 Mn2CH_3CH_3 + 3O_2 \xrightarrow[\Delta]{(CH_3COO)_2\,Mn}2CH3​CH3​+3O2​(CH3​COO)2​MnΔ​ C. (CH3)3CH→KMnO4(CH_3)_3CH \xrightarrow{KMnO_4}(CH3​)3​CHKMnO4​​ D. 2CH4+O2→Cu/523 K/100 atm.2CH_4 + O_2 \xrightarrow{Cu/523\,K/100\,atm.}2CH4​+O2​Cu/523K/100atm.​ E. CH3−CH=CH−CH3→KMnO4/H+CH_3-CH=CH-CH_3 \xrightarrow{KMnO_4/H^+}CH3​−CH=CH−CH3​KMnO4​/H+​ Choose the correct answer from the options given below :
  1. (A)A and D Only
  2. (B)A, C and E Only
  3. (C)C and D Only
  4. (D)B, D and E Only

Correct answer: (C)

Step-by-step solution →
Q10·ChemistrySingle correctJEE Main 2026
Consider the following reaction sequence Compound (x) [76.6%C, 6.38%H, vapour density 47] →(ii) H3O+(i) CO2, NaOH, 120∘C, high pressure\xrightarrow[\text{(ii) H}_{3}\text{O}^{+}]{\text{(i) CO}_{2}\text{, NaOH, 120}^{\circ}\text{C, high pressure}}(i) CO2​, NaOH, 120∘C, high pressure(ii) H3​O+​ Compound (y) (Major Product) Compound (y) develops characteristic colour with neutral FeCl3_{3}3​ solution. Identify the INCORRECT statement from the following for the above sequence.
  1. (A)Both compounds x and y will dissolve in NaOH.
  2. (B)Compound y will dissolve in NaHCO3_{3}3​ and evolve a gas.
  3. (C)Compound x is more acidic than compound y.
  4. (D)Both compounds x and y will burn with sooty flame.

Correct answer: (C)

Step-by-step solution →
Q11·ChemistrySingle correctJEE Main 2026
From the following, how many compounds contain at least one secondary alcohol ? Choose the correct answer from the options given below :
  1. (A)Five
  2. (B)Three
  3. (C)Four
  4. (D)two

Correct answer: (B)

Step-by-step solution →
Q12·ChemistrySingle correctJEE Main 2026
A hydroxy compound (X) with molar mass 122 g mol−1^{-1}−1 is acetylated with acetic anhydride, using a large excess of the reagent ensuring complete acetylation of all hydroxyl groups. The product obtained has a molar mass of 290 g mol−1^{-1}−1. The number of hydroxyl groups present in compound (X) is :
  1. (A)3
  2. (B)5
  3. (C)2
  4. (D)4

Correct answer: (D)

Step-by-step solution →
Q13·ChemistrySingle correctJEE Main 2026
Consider the following two reactions A and B. Numerical value of [molar mass of x+ molar mass of y] is ____ .
  1. (A)4
  2. (B)88
  3. (C)46
  4. (D)160

Correct answer: (C)

Step-by-step solution →
Q14·ChemistrySingle correctJEE Main 2026
A mixed ether (P), when heated with excess of hot concentrated hydrogen iodide produces two different alkyl iodides which when treated with aq. NaOH give compounds (Q) and (R). Both (Q) and (R) give yellow precipitate with NaOI. Identify the mixed ether (P):
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (A)

Step-by-step solution →
Q15·ChemistrySingle correctJEE Main 2026
Given below are two statements : Statement I : Phenol on treatment with CHCl3_33​/aq. KOH under refluxing condition, followed by acidification produces p-hydroxy benzladehyde as the major product and o-hydroxy benzaldehyde as the minor product. Statement II : The mixture of p-hydroxybenzaldehyde and o-hydroxybenzaldehyde can be easily separated through steam distillation. In the light of the above statements, choose the correct answer from the options given below :
  1. (A)Both Statement I and Statement II are false
  2. (B)Statement I is true but Statement II is false
  3. (C)Both Statement I and Statement II are true
  4. (D)Statement I is false but Statement II is true

Correct answer: (D)

Step-by-step solution →
Q16·ChemistrySingle correctJEE Main 2026
3, 3-Dimenthyl-2-butanol cannot be prepared by : Choose the correct answer from the options given below :
  1. (A)B only
  2. (B)B and E only
  3. (C)B and C only
  4. (D)B, C and E only

Correct answer: (B)

Step-by-step solution →
Q17·ChemistrySingle correctJEE Main 2025
Which one of the following reactions will not lead to the desired ether formation in major proportion? (iso-Bu ⇒\Rightarrow⇒ isobutyl, sec-Bu ⇒\Rightarrow⇒ sec-butyl, nPr ⇒\Rightarrow⇒ n-propyl, tBu⇒^tBu\RightarrowtBu⇒ tert-butyl, Et ⇒\Rightarrow⇒ ethyl)
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (D)

Step-by-step solution →
Q18·ChemistrySingle correctJEE Main 2025
Given below are two statements: Statement I: Dimethyl ether is completely soluble in water. However, diethyl ether is soluble in water to a very small extent. Statement II: Sodium metal can be used to dry diethyl ether and not ethyl alcohol. In the light of given statements, choose the correct answer from the options given below.
  1. (A)Statement I is false but Statement II is true
  2. (B)Both Statement I and Statement II are false
  3. (C)Statement I is true but Statement II is false
  4. (D)Both Statement I and Statement II are true

Correct answer: (D)

Step-by-step solution →
Q19·ChemistrySingle correctJEE Main 2025
The least acidic compound, among the following (compounds (A)–(D) shown in the figure) is:
  1. (A)(D)
  2. (B)(A)
  3. (C)(B)
  4. (D)(C)

Correct answer: (A)

Step-by-step solution →
Q20·ChemistrySingle correctJEE Main 2025
Which one of the following (shown in the figure), with HBr will give a phenol?
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (B)

Step-by-step solution →
Q21·ChemistrySingle correctJEE Main 2025
Identify the products [A] and [B], respectively in the following reaction: chlorobenzene →(i) NaOH, 623K, 300 atm; (ii) H+[A]→Na2Cr2O7/H2SO4[B]\xrightarrow{\text{(i) NaOH, 623K, 300 atm; (ii) }H^+}[A]\xrightarrow{Na_2Cr_2O_7/H_2SO_4}[B](i) NaOH, 623K, 300 atm; (ii) H+​[A]Na2​Cr2​O7​/H2​SO4​​[B].
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (C)

Step-by-step solution →
Q22·ChemistrySingle correctJEE Main 2025
What amount of bromine will be required to convert 2 g of phenol into 2, 4, 6-tribromophenol ? (Given molar mass in g mol−1^{-1}−1 of C, H, O, Br are 12, 1, 16, 80 respectively)
  1. (A)10.22 g
  2. (B)6.0 g
  3. (C)4.0 g
  4. (D)20.44 g

Correct answer: (A)

Step-by-step solution →
Q23·ChemistrySingle correctJEE Main 2025
Given below are two statements: Statement (I): The boiling points of alcohols and phenols increase with increase in the number of C-atoms. Statement (II): The boiling points of alcohols and phenols are higher in comparison to other class of compounds such as ethers, haloalkanes. In the light of the above statements, choose the correct answer from the options given below:
  1. (A)Both Statement I and Statement II are false
  2. (B)Statement I is false but Statement II is true
  3. (C)Statement I is true but Statement II is false
  4. (D)Both Statement I and Statement II are true

Correct answer: (D)

Step-by-step solution →
Q24·ChemistrySingle correctJEE Advanced 2024
List-I contains various reaction sequence and List-II contains different phenolic compounds. Match each entry in List-I with the appropriate entry in List-II and choose the correct option.
List-IList-II
P.see figure1.see figure
Q.see figure2.see figure
R.see figure3.see figure
S.see figure4.see figure
5.see figure
  1. (A)(P) →\to→ (2), (Q) →\to→ (3), (R) →\to→ (4), (S) →\to→ (5)
  2. (B)(P) →\to→ (2), (Q) →\to→ (3), (R) →\to→ (5), (S) →\to→ (1)
  3. (C)(P) →\to→ (3), (Q) →\to→ (5), (R) →\to→ (4), (S) →\to→ (1)
  4. (D)(P) →\to→ (3), (Q) →\to→ (2), (R) →\to→ (5), (S) →\to→ (4)

Correct answer: (C)

Step-by-step solution →
Q25·ChemistrySingle correctJEE Main 2024
For the given compounds, the correct order of increasing pKapK_apKa​ value :
  1. (A)(E) < (D) < (C) < (B) < (A)
  2. (B)(D) < (E) < (C) < (B) < (A)
  3. (C)(E) < (D) < (B) < (A) < (C)
  4. (D)(B) < (D) < (A) < (C) < (E)

Correct answer: (D)

Step-by-step solution →
Q26·ChemistrySingle correctJEE Main 2024
Match List-I (Reactions) with List-II (Products). Choose the correct answer from the options given below:
List-I (Reactions)List-II (Products)
A.see figureI.see figure
B.see figureII.see figure
C.see figureIII.see figure
D.see figureIV.see figure
  1. (A)(A)-(III), (B)-(II), (C)-(I), (D)-(IV)
  2. (B)(A)-(IV), (B)-(II), (C)-(III), (D)-(I)
  3. (C)(A)-(I), (B)-(IV), (C)-(II), (D)-(III)
  4. (D)(A)-(II), (B)-(IV), (C)-(I), (D)-(III)

Correct answer: (D)

Step-by-step solution →
Q27·ChemistrySingle correctJEE Main 2024
Which one of the following compounds will readily react with dilute NaOH?
  1. (A)C6H5CH2OH\text{C}_6\text{H}_5\text{CH}_2\text{OH}C6​H5​CH2​OH
  2. (B)C2H5OH\text{C}_2\text{H}_5\text{OH}C2​H5​OH
  3. (C)(CH3)3COH(\text{CH}_3)_3\text{COH}(CH3​)3​COH
  4. (D)C6H5OH\text{C}_6\text{H}_5\text{OH}C6​H5​OH

Correct answer: (D)

Step-by-step solution →
Q28·ChemistrySingle correctJEE Main 2024
Identify the major products AAA and BBB respectively in the following set of reactions (shown).
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (A)

Step-by-step solution →
Q29·ChemistrySingle correctJEE Main 2024
In the reaction sequence shown in the figure, the major products 'A' and 'B' respectively are:
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (B)

Step-by-step solution →
Q30·ChemistrySingle correctJEE Main 2024
In the Reimer-Tiemann reaction, phenol is converted into salicylaldehyde through an intermediate. The structure of the intermediate is (choose the correct option from the structures shown in the figure):
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (D)

Step-by-step solution →
Q31·ChemistrySingle correctJEE Main 2024
Given below are two statements: Statement I: Picric acid is 2,4,6-trinitrotoluene. Statement II: Phenol-2,4-disulphonic acid is treated with conc. HNO3HNO_3HNO3​ to get picric acid. In the light of the above statements, choose the most appropriate answer from the options given below:
  1. (A)Statement I is incorrect but Statement II is correct.
  2. (B)Both Statement I and Statement II are incorrect.
  3. (C)Statement I is correct but Statement II is incorrect.
  4. (D)Both Statement I and Statement II are correct.

Correct answer: (A)

Step-by-step solution →
Q32·ChemistryNumericalJEE Main 2024
In the reaction sequence shown in the figure, the ratio of the number of oxygen atoms to bromine atoms in the product Q is _______ ×10−1\times 10^{-1}×10−1.

Correct answer: 15

Step-by-step solution →
Q33·ChemistrySingle correctJEE Main 2024
Identify compound (Z) in the following reaction sequence (shown in the figure).
  1. (A)(B), (D), (E) only
  2. (B)(A), (B), (D) only
  3. (C)(C), (D), (E) only
  4. (D)All the atoms of given element have different

Correct answer: (C)

Step-by-step solution →
Q34·ChemistryNumericalJEE Main 2024
Consider the reaction sequence: phenol reacts with concentrated H2SO4\text{H}_2\text{SO}_4H2​SO4​ to give Product A, which then reacts with concentrated HNO3\text{HNO}_3HNO3​ to give Product B. The total sum of oxygen atoms in Product A and Product B is ___.

Correct answer: 14

Step-by-step solution →
Q35·ChemistrySingle correctJEE Main 2024
Given below are two statements: Statement I: Bromination of phenol in a solvent with low polarity such as CHCl3\text{CHCl}_3CHCl3​ or CS2\text{CS}_2CS2​ requires a Lewis acid catalyst. Statement II: The Lewis acid catalyst polarises the bromine to generate Br+\text{Br}^+Br+. In the light of the above statements, choose the correct answer from the options given below:
  1. (A)Statement I is true but Statement II is false
  2. (B)Both Statement I and Statement II are true
  3. (C)Both Statement I and Statement II are false
  4. (D)Statement I is false but Statement II is true

Correct answer: (D)

Step-by-step solution →
Q36·ChemistrySingle correctJEE Main 2024
For the compounds: (A) H3C-CH2-O-CH2-CH2-CH3\text{H}_3\text{C-CH}_2\text{-O-CH}_2\text{-CH}_2\text{-CH}_3H3​C-CH2​-O-CH2​-CH2​-CH3​, (B) H3C-CH2-CH2-CH2-CH2-CH3\text{H}_3\text{C-CH}_2\text{-CH}_2\text{-CH}_2\text{-CH}_2\text{-CH}_3H3​C-CH2​-CH2​-CH2​-CH2​-CH3​, (C) CH3-CH2-CO-CH2-CH3\text{CH}_3\text{-CH}_2\text{-CO-CH}_2\text{-CH}_3CH3​-CH2​-CO-CH2​-CH3​, (D) H3C-CH(OH)-CH2-CH2-CH3\text{H}_3\text{C-CH(OH)-CH}_2\text{-CH}_2\text{-CH}_3H3​C-CH(OH)-CH2​-CH2​-CH3​, the increasing order of boiling point is: Choose the correct answer from the options given below:
  1. (A)(A) < (B) < (C) < (D)
  2. (B)(B) < (A) < (C) < (D)
  3. (C)(D) < (C) < (A) < (B)
  4. (D)(B) < (A) < (D) < (C)

Correct answer: (B)

Step-by-step solution →
Q37·ChemistrySingle correctJEE Main 2024
Which one of the following reactions is NOT possible?
  1. (A)Anisole + HBr → Phenol
  2. (B)Phenol + HCl → Chlorobenzene
  3. (C)Chlorobenzene + NaOH (high temperature), then H+ → Phenol
  4. (D)Anisole + Cl2/AlCl3 → 4-Chloroanisole

Correct answer: (B)

Step-by-step solution →
Q38·ChemistrySingle correctJEE Main 2024
In the chemical reaction sequence shown in the figure, the products 'A' and 'B' respectively are
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (A)

Step-by-step solution →
Q39·ChemistrySingle correctJEE Main 2024
Common name of Benzene-1,2-diol is
  1. (A)quinol
  2. (B)resorcinol
  3. (C)catechol
  4. (D)o-cresol

Correct answer: (C)

Step-by-step solution →
Q40·ChemistrySingle correctJEE Main 2024
Match List-I (Reactants of phenol) with List-II (Product). Choose the correct answer from the options given below:
List-I (Reactants)List-II (Products)
A.Phenol, Zn/Δ\text{Zn}/\DeltaZn/ΔI.Salicylaldehyde
B.Phenol, CHCl3\text{CHCl}_3CHCl3​, NaOH, HClII.Salicylic acid
C.Phenol, CO2\text{CO}_2CO2​, NaOH, HClIII.Benzene
D.Phenol, conc. HNO3\text{HNO}_3HNO3​IV.Picric acid
  1. (A)(A)-(IV), (B), (II), (C)-(I), (D)-(III)
  2. (B)(A)-(IV), (B)-(III), (C)-(I), (D)-(II)
  3. (C)(A)-(III), (B)-(I), (C)-(II), (D)-(IV)
  4. (D)(A)-(I), (B)-(IV), (C)-(I), (D)-(II)

Correct answer: (C)

Step-by-step solution →
Q41·ChemistrySingle correctJEE Main 2024
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A : Alcohols react both as nucleophiles and electrophiles. Reason R : Alcohols react with active metals such as sodium, potassium and aluminum to yield corresponding alkoxides and liberate hydrogen. In the light of the above statements, choose the correct answer from the options given below:
  1. (A)A is false but R is true.
  2. (B)A is true but R is false.
  3. (C)Both A and R are true and R is the correct explanation of A.
  4. (D)Both A and R are true but R is NOT the correct explanation of A

Correct answer: (D)

Step-by-step solution →
Q42·ChemistrySingle correctJEE Main 2024
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A : pKapK_apKa​ value of phenol is 10.0 while that of ethanol is 15.9. Reason R : Ethanol is stronger acid than phenol. In the light of the above statements, choose the correct answer from the options given below:
  1. (A)A is true but R is false.
  2. (B)A is false but R is true.
  3. (C)Both A and R are true and R is the correct explanation of A.
  4. (D)Both A and R are true but R is NOT the correct explanation of A.

Correct answer: (A)

Step-by-step solution →
Q43·ChemistrySingle correctJEE Main 2024
Salicylaldehyde is synthesized from phenol, when reacted with:
  1. (A)HCOClHCOClHCOCl, NaOH
  2. (B)CO2CO_2CO2​, NaOH
  3. (C)CCl4CCl_4CCl4​, NaOH
  4. (D)HCCl3HCCl_3HCCl3​, NaOH

Correct answer: (D)

Step-by-step solution →
Q44·ChemistrySingle correctJEE Main 2024
The final product A formed in the following multistep reaction sequence is
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (A)

Step-by-step solution →
Q45·ChemistrySingle correctJEE Main 2024
Phenol treated with chloroform in presence of sodium hydroxide, which further hydrolysed in presence of an acid results:
  1. (A)Salicylic acid
  2. (B)Benzene-1,2-diol
  3. (C)Benzene-1,3-diol
  4. (D)2-Hydroxybenzaldehyde

Correct answer: (D)

Step-by-step solution →
Q46·ChemistrySingle correctJEE Main 2024
Phenolic group can be identified by a positive :
  1. (A)Phthalein dye test
  2. (B)Lucas test
  3. (C)Tollen's test
  4. (D)Carbylamine test

Correct answer: (A)

Step-by-step solution →
Q47·ChemistrySingle correctJEE Main 2024
The final product B, formed in the following reaction sequence is : Ph–CH–CH3→(ii) HBr(i) BH3→(iv) Mg, ether, then HCHO/H3O+B\text{Ph–CH–CH}_3 \xrightarrow[\text{(ii) HBr}]{\text{(i) BH}_3} \xrightarrow[\text{(iv) Mg, ether, then HCHO/H}_3\text{O}^+]{} BPh–CH–CH3​(i) BH3​(ii) HBr​(iv) Mg, ether, then HCHO/H3​O+​B
  1. (A)Ph–CH–CH3\text{Ph–CH–CH}_3Ph–CH–CH3​ (with −CH3-CH_3−CH3​)
  2. (B)Ph–CH–CH3\text{Ph–CH–CH}_3Ph–CH–CH3​ (with −CH2OH-CH_2OH−CH2​OH)
  3. (C)Ph–CH2–CH2OH\text{Ph–CH}_2\text{–CH}_2\text{OH}Ph–CH2​–CH2​OH
  4. (D)Ph–CH2–CH2–OH\text{Ph–CH}_2\text{–CH}_2\text{–OH}Ph–CH2​–CH2​–OH

Correct answer: (D)

Step-by-step solution →
Q48·ChemistrySingle correctJEE Main 2024
Match List-I with List-II. Choose the correct answer from the options given below :
List-I (Reaction)List-II (Reagent)
A.see figureI.Na2Cr2O7Na_2Cr_2O_7Na2​Cr2​O7​; H2SO4H_2SO_4H2​SO4​
B.see figureII.(i) NaOH (ii) CH3ClCH_3ClCH3​Cl
C.see figureIII.(i) NaOH, CHCl3CHCl_3CHCl3​ (ii) NaOH (iii) HCl
D.see figureIV.(i) CO2CO_2CO2​ (ii) HCl
  1. (A)(A)-(IV), (B)-(I), (C)-(II), (D)-(III)
  2. (B)(A)-(IV), (B)-(III), (C)-(I), (D)-(II)
  3. (C)(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
  4. (D)(A)-(IV), (B)-(III), (C)-(II), (D)-(I)

Correct answer: (B)

Step-by-step solution →
Q49·ChemistrySingle correctJEE Main 2024
Statement (I): p-nitrophenol is more acidic than m-nitrophenol and o-nitrophenol. Statement (II): Ethanol will give immediate turbidity with Lucas reagent. In the light of the above statements, choose the correct answer from the options given below:
  1. (A)Statement I is true but Statement II is false
  2. (B)Both Statement I and Statement II are true
  3. (C)Both Statement I and Statement II are false
  4. (D)Statement I is false but Statement II is true

Correct answer: (A)

Step-by-step solution →
Q50·ChemistrySingle correctJEE Main 2024
The ascending order of acidity of —OH group in the following compounds is: (A) Bu—OH; (B) 4-nitrophenol; (C) 4-methoxyphenol; (D) phenol; (E) 2,4-dinitrophenol. Choose the correct answer from the options given below:
  1. (A)(A)<(D)<(C)<(B)<(E)(A)<(D)<(C)<(B)<(E)(A)<(D)<(C)<(B)<(E)
  2. (B)(C)<(A)<(D)<(B)<(E)(C)<(A)<(D)<(B)<(E)(C)<(A)<(D)<(B)<(E)
  3. (C)(C)<(D)<(B)<(A)<(E)(C)<(D)<(B)<(A)<(E)(C)<(D)<(B)<(A)<(E)
  4. (D)(A)<(C)<(D)<(B)<(E)(A)<(C)<(D)<(B)<(E)(A)<(C)<(D)<(B)<(E)

Correct answer: (D)

Step-by-step solution →
Q51·ChemistrySingle correctJEE Main 2023
In the reaction shown, a Grignard reagent is formed with Mg and then treated with H2_22​O to give the major product 'A'. 'A' is
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (D)

Step-by-step solution →
Q52·ChemistryNumericalJEE Main 2023
A bicyclic tertiary alcohol (drawn) reacts with HBr to give major product 'A'. The number of hyperconjugation structures involved to stabilize carbocation formed in the above reaction is __________.

Correct answer: 7

Step-by-step solution →
Q53·ChemistrySingle correctJEE Main 2023
Suitable reaction condition for preparation of Methyl phenyl ether is
  1. (A)Ph – Br, MeO−^-− Na+^++
  2. (B)PhO−^-− Na+^++, MeOH
  3. (C)PhO−^-− Na+^++, MeBr
  4. (D)Benzene, MeBr

Correct answer: (C)

Step-by-step solution →
Q54·ChemistrySingle correctJEE Main 2023
The correct order of acidity of the following hydroxyl compounds is: A. CH3OH\text{CH}_3\text{OH}CH3​OH, B. (CH3)3COH(\text{CH}_3)_3\text{COH}(CH3​)3​COH, and C, D, E shown in the figure. Choose the correct answer from the options given below:
  1. (A)E > C > D > A > B
  2. (B)D > E > C > A > B
  3. (C)C > E > D > B > A
  4. (D)E > D > C > B > A

Correct answer: (A)

Step-by-step solution →
Q55·ChemistrySingle correctJEE Main 2023
Incorrect method of preparation for alcohols from the following is:
  1. (A)Ozonolysis of alkene.
  2. (B)Reaction of ketone with RMgBr followed by hydrolysis.
  3. (C)Hydroboration-oxidation of alkene.
  4. (D)Reaction of alkyl halide with aqueous NaOH.

Correct answer: (A)

Step-by-step solution →
Q56·ChemistrySingle correctJEE Main 2023
The major product 'P' formed in the following reaction is:
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (B)

Step-by-step solution →
Q57·ChemistrySingle correctJEE Main 2023
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Butan-1-ol has higher boiling point than ethoxyethane. Reason R: Extensive hydrogen bonding leads to stronger association of molecules. In the light of the above statements, choose the correct answer from the options given below:
  1. (A)Both A and R are true and R is the correct explanation of A
  2. (B)A is true but R is false
  3. (C)Both A and R are true but R is NOT the correct explanation of A
  4. (D)A is false but R is true

Correct answer: (A)

Step-by-step solution →
Q58·ChemistrySingle correctJEE Main 2023
A compound 'X' when treated with phthalic anhydride in presence of concentrated H2SO4H_2SO_4H2​SO4​ yields 'Y'. 'Y' is used as an acid/base indicator. 'X' and 'Y' are respectively:
  1. (A)Carbolic acid, Phenolphthalein
  2. (B)Anisole, Methyl orange
  3. (C)Salicylaldehyde, Phenolphthalein
  4. (D)Toluidine, Phenolphthalein

Correct answer: (A)

Step-by-step solution →
Q59·ChemistrySingle correctJEE Main 2023
Decreasing order of dehydration of the alcohols (a), (b), (c) and (d) shown in the figure is:
  1. (A)b > a > d > c
  2. (B)a > d > b > c
  3. (C)d > b > c > a
  4. (D)b > d > c > a

Correct answer: (D)

Step-by-step solution →
Q60·ChemistrySingle correctJEE Main 2023
An organic compound 'A' with empirical formula C6H6OC_6H_6OC6​H6​O gives sooty flame on burning. Its reaction with bromine solution in low polarity solvent results in high yield of B. B is
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (C)

Step-by-step solution →
Q61·ChemistryNumericalJEE Main 2023
The number of compounds from the following (shown in the figure) which will not dissolve in cold NaHCO3NaHCO_3NaHCO3​ and NaOHNaOHNaOH solutions but will dissolve in hot NaOHNaOHNaOH solution is _______.

Correct answer: 3

Step-by-step solution →
Q62·ChemistrySingle correctJEE Main 2023
The correct order of pKa values for the following compounds (a, b, c, d shown in the figure) is:
  1. (A)c>a>d>bc>a>d>bc>a>d>b
  2. (B)b>a>d>cb>a>d>cb>a>d>c
  3. (C)b>d>a>cb>d>a>cb>d>a>c
  4. (D)a>b>c>da>b>c>da>b>c>d

Correct answer: (C)

Step-by-step solution →
Q63·ChemistrySingle correctJEE Main 2023
The increasing order of pKa for the following phenols is: (A) 2,4-Dinitrophenol (B) 4-Nitrophenol (C) 2,4,5-Trimethylphenol (D) Phenol (E) 3-Chlorophenol. Choose the correct answer from the option given below:
  1. (A)(A), (B), (E), (D), (C)
  2. (B)(C), (D), (E), (B), (A)
  3. (C)(A), (E), (B), (D), (C)
  4. (D)(C), (E), (D), (B), (A)

Correct answer: (A)

Step-by-step solution →
Q64·ChemistrySingle correctJEE Main 2023
In the cumene to phenol preparation in presence of air, the intermediate is (structures shown in the figure):
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (C)

Step-by-step solution →
Q65·ChemistrySingle correctJEE Main 2023
Find out the major product from the following reaction.
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (D)

Step-by-step solution →
Q66·ChemistrySingle correctJEE Main 2023
'A' and 'B' formed in the following set of reactions are:
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (B)

Step-by-step solution →
Q67·ChemistryNumericalJEE Advanced 2022
The weight percentage of hydrogen in Q\mathbf{Q}Q, formed in the following reaction sequence, is ________. [Given: Atomic mass of H = 1, C = 12, N = 14, O = 16, S = 32, Cl = 35]

Correct answer: 1.31

Step-by-step solution →
Q68·ChemistryNumericalJEE Main 2022
A 1.84 mg sample of polyhydric alcoholic compound 'X' of molar mass 92.0 g/mol gave 1.344 mL of H2_{2}2​ gas at STP. The number of alcoholic hydrogens present in compound 'X' is____.

Correct answer: 6

Step-by-step solution →
Q69·ChemistrySingle correctJEE Main 2022
A compound 'X' is acidic and it is soluble in NaOH solution, but insoluble in NaHCO3NaHCO_{3}NaHCO3​ solution. Compound 'X' also gives violet colour with neutral FeCl3FeCl_{3}FeCl3​ solution. The compound 'X' is :
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (B)

Step-by-step solution →
Q70·ChemistrySingle correctJEE Main 2022
Compound I is heated with Conc. HI to give a hydroxy compound A which is further heated with Zn dust to give compound B. Identify A and B.
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (D)

Step-by-step solution →
Q71·ChemistrySingle correctJEE Main 2022
The major product in the given reaction is
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (C)

Step-by-step solution →
Q72·ChemistrySingle correctJEE Main 2022
Choose the correct option for the following reactions.
  1. (A)'A' and 'B' are both Markovnikov addition products.
  2. (B)'A' is Markovnikov product and 'B' is anti-Markovnikov product.
  3. (C)'A' and 'B' are both anti-Markovnikov products.
  4. (D)'B' is Markovnikov and 'A' is anti-Markovnikov product.

Correct answer: (B)

Step-by-step solution →
Q73·ChemistrySingle correctJEE Main 2022
Identify the major product A and B for the below given reaction sequence.
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (B)

Step-by-step solution →
Q74·ChemistrySingle correctJEE Main 2022
Major product 'B' of the following reaction sequence is:
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (B)

Step-by-step solution →
Q75·ChemistrySingle correctJEE Main 2022
The difference in the reaction of phenol with bromine in chloroform and bromine in water medium is due to :
  1. (A)Hyperconjugation in substrate
  2. (B)Polarity of solvent
  3. (C)Free radical formation
  4. (D)Electromeric effect of the substrate

Correct answer: (B)

Step-by-step solution →
Q76·ChemistrySingle correctJEE Main 2022
Given below are two statements : Statement I : On heating with KHSO4KHSO_{4}KHSO4​, glycerol is dehydrated and acrolein is formed. Statement II : Acrolein has fruity odour and can be used to test glycerol's presence. Choose the correct option.
  1. (A)Both Statement I and Statement II are correct.
  2. (B)Both Statement I and Statement II are incorrect
  3. (C)Statement I is correct but Statement II is incorrect.
  4. (D)Statement I is incorrect but Statement II is correct.

Correct answer: (C)

Step-by-step solution →
Q77·ChemistryNumericalJEE Main 2022
In the given reaction the number of sp2^22 hybridised carbon (s) in compound 'X' is_____.

Correct answer: 8

Step-by-step solution →
Q78·ChemistryNumericalJEE Main 2022
C6H12O6C_6H_{12}O_6C6​H12​O6​ →[Zymase] A →[NaOI, Δ] B + CHI3CHI_3CHI3​ The number of carbon atoms present in the product B is _______ .

Correct answer: 1

Step-by-step solution →
Q79·ChemistrySingle correctJEE Main 2022
Given below are two statements. Statement I : Phenols are weakly acidic. Statement II : Therefore they are freely soluble in NaOH solution and are weaker acids than alcohols and water. Choose the most appropriate option:
  1. (A)Both Statement I and Statement II are correct.
  2. (B)Both Statement I and Statement II are incorrect.
  3. (C)Statement I is correct but Statement II is incorrect.
  4. (D)Statement I is incorrect but Statement II is correct.

Correct answer: (C)

Step-by-step solution →
Q80·ChemistryNumericalJEE Main 2022
The number of chiral alcohol(s) with molecular formula C4_44​H10_{10}10​O is_______.

Correct answer: 1

Step-by-step solution →
Q81·ChemistrySingle correctJEE Main 2022
The major product (P) of the given reaction is (where, Me is –CH3_33​)
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (C)

Step-by-step solution →
Q82·ChemistrySingle correctJEE Main 2022
Match List I with List II List I A. (reaction scheme shown as a drawn figure) B. (reaction scheme shown as a drawn figure) C. (reaction scheme shown as a drawn figure) D. (reaction scheme shown as a drawn figure) List II I. Br2_22​ in CS2_22​ II. Na2_22​Cr2_22​O7_77​/H2_22​SO4_44​ III. Zn IV. CHCl3_33​/NaOH Choose the correct answer from the options given below:
  1. (A)A-IV, B-III, C-II, D-I
  2. (B)A-IV, B-III, C-I, D-II
  3. (C)A-II, B-III, C-I, D-IV
  4. (D)A-IV, B-II, C-III, D-I

Correct answer: (A)

Step-by-step solution →
Q83·ChemistryNumericalJEE Main 2022
Compound 'P' on nitration with dil. HNO3HNO_{3}HNO3​ yields two isomers (A) and (B). These isomers can be separated by steam distillation. Isomers (A) and (B) show the intramolecular and intermolecular hydrogen bonding respectively. Compound (P) on reaction with conc. HNO3HNO_{3}HNO3​ yields a yellow compound 'C', a strong acid. The number of oxygen atoms is present in compound 'C' ______.

Correct answer: 7

Step-by-step solution →
Q84·ChemistrySingle correctJEE Main 2022
The major product in the following reaction (i) Hg(OAc)2Hg(OAc)_2Hg(OAc)2​, H2OH_2OH2​O (ii) NaBH4NaBH_4NaBH4​
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (A)

Step-by-step solution →
Q85·ChemistrySingle correctJEE Main 2022
The major product formed in the following reaction, is
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (D)

Step-by-step solution →
Q86·ChemistrySingle correctJEE Main 2022
In the given reaction 2 A →(iii) H2O/H+(i) 2 Mg, THF; (ii) Methyl benzoate\xrightarrow[\text{(iii) H}_2\text{O/H}^+]{\text{(i) 2 Mg, THF; (ii) Methyl benzoate}}(i) 2 Mg, THF; (ii) Methyl benzoate(iii) H2​O/H+​ 'A' can be
  1. (A)benzyl bromide
  2. (B)bromobenzene
  3. (C)cyclohexyl bromide
  4. (D)methyl bromide

Correct answer: (B)

Step-by-step solution →
Q87·ChemistrySingle correctJEE Main 2022
The intermediate X, in the reaction is :
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (C)

Step-by-step solution →
Q88·ChemistrySingle correctJEE Main 2022
In the following reaction : The compounds A and B respectively are :-
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (C)

Step-by-step solution →
Q89·ChemistrySingle correctJEE Main 2022
Amongst the following, the major product of the given chemical reaction is Br2_22​/CH3_33​OH →\rightarrow→ Major Product
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (A)

Step-by-step solution →
Q90·ChemistrySingle correctJEE Main 2021
The major product formed in the following reaction is :
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (B)

Step-by-step solution →
Q91·ChemistrySingle correctJEE Main 2021
The compound/s which will show significant intermolecular H–bonding is/are :
  1. (A)(b) only
  2. (B)(c) only
  3. (C)(a) and (b) only
  4. (D)(a), (b) and (c)

Correct answer: (A)

Step-by-step solution →
Q92·ChemistrySingle correctJEE Main 2021
The major product of the following reaction, if it occurs by SN_{N}N​2 mechanism is :
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (D)

Step-by-step solution →
Q93·ChemistrySingle correctJEE Main 2021
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Synthesis of ethyl phenyl ether may be achieved by Williamson synthesis. Reason (R): Reaction of bromobenzene with sodium ethoxide yields ethyl phenyl ether. In the light of the above statements, choose the most appropriate answer from the options given below:
  1. (A)Both (A) and (R) are correct and (R) is the correct explanation of (A)
  2. (B)(A) is correct but (R) is not correct
  3. (C)(A) is not correct but (R) is correct
  4. (D)Both (A) and (R) are correct but (R) is NOT the correct explanation of (A)

Correct answer: (B)

Step-by-step solution →
Q94·ChemistrySingle correctJEE Main 2021
The correct options for the products A\mathbf{A}A and B\mathbf{B}B of the following reactions are :
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (B)

Step-by-step solution →
Q95·ChemistrySingle correctJEE Main 2021
Which one of the following phenols does not give colour when condensed with phthalic anhydride in presence of conc. H2SO4\mathrm{H_2SO_4}H2​SO4​ ?
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (B)

Step-by-step solution →
Q96·ChemistrySingle correctJEE Main 2021
Consider the above reaction and identify the product P:
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (B)

Step-by-step solution →
Q97·ChemistrySingle correctJEE Main 2021
Consider the above reaction, and choose the correct statement:
  1. (A)Both compounds A and B are formed equally
  2. (B)The reaction is not possible in acidic medium
  3. (C)Compound A will be the major product
  4. (D)Compound B will be the major product

Correct answer: (C)

Step-by-step solution →
Q98·ChemistrySingle correctJEE Main 2021
Consider the above reaction, the major product “P” formed is”
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (D)

Step-by-step solution →
Q99·ChemistrySingle correctJEE Main 2021
The given reaction can occur in the presence of: (a) Bromine water (b) Br2Br_2Br2​ in CS2CS_2CS2​, 273 K (c) Br2Br_2Br2​ / FeBr3FeBr_3FeBr3​ (d) Br2Br_2Br2​ in CHCl3CHCl_3CHCl3​, 273 K Choose the correct answer from the options given below:
  1. (A)(a) and (c) only
  2. (B)(b), (c) and (d) only
  3. (C)(b) and (d) only
  4. (D)(a), (b) and (d) only

Correct answer: (C)

Step-by-step solution →
Q100·ChemistrySingle correctJEE Main 2021
An organic compound A (C6H6OC_{6}H_{6}OC6​H6​O) gives dark green colouration with ferric chloride. On treatment with CHCl3CHCl_{3}CHCl3​ and KOH, followed by acidification gives compound B. Compound B can also be obtained from compound C on reaction with pyridinium chlorochromate (PCC). Identify A, B and C.
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (D)

Step-by-step solution →
Q101·ChemistryNumericalJEE Main 2021
To synthesise 1.0 mole of 2-methylpropan-2-ol from Ethylethanoate __________ equivalents of CH3_33​MgBr reagent will be required. (Integer value)

Correct answer: 2

Step-by-step solution →
Q102·ChemistrySingle correctJEE Main 2021
In the given reaction 3-Bromo-2,2-dimethyl butane →C2H5OH\xrightarrow{C_{2}H_{5}OH}C2​H5​OH​ 'A' (Major Product) Product A is:
  1. (A)2-Ethoxy-2,3-dimethyl butane
  2. (B)2-Hydroxy-3,3-dimethyl butane.
  3. (C)2-Ethoxy-3,3-dimethyl butane
  4. (D)1-Ethoxy-3,3-dimethyl butane.

Correct answer: (A)

Step-by-step solution →
Q103·ChemistrySingle correctJEE Main 2021
Main Products formed during a reaction of 1-methoxy naphthalene with hydroiodic acid are:
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (B)

Step-by-step solution →
Q104·ChemistrySingle correctJEE Main 2021
Reaction of Grignard reagent, C2_{2}2​H5_{5}5​MgBr with C8_{8}8​H8_{8}8​O followed by hydrolysis gives compound "A" which reacts instantly with Lucas reagent to give compound B, C10_{10}10​H13_{13}13​Cl. The Compound B is :
  1. (A)(1)
  2. (B)(2)
  3. (C)(3)
  4. (D)(4)

Correct answer: (C)

Step-by-step solution →
Q105·ChemistrySingle correctJEE Main 2021
Identify the major products A and B respectively in the following reaction of phenol :
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (A)

Step-by-step solution →
Q106·ChemistrySingle correctJEE Main 2021
Identify A in the given reaction
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (B)

Step-by-step solution →
Q107·ChemistrySingle correctJEE Main 2021
Identify A in the following chemical reaction.
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (C)

Step-by-step solution →
Q108·ChemistrySingle correctJEE Main 2021
Given below are two statement : Statement I : o-Nitrophenol is steam volatile due to intramolecular hydrogen bonding Statement II : o-Nitrophenol has high melting point due to hydrogen bonding. In the light of the above statements, choose the most appropriate answer from the options given below :
  1. (A)Both Statement I and Statement II are false
  2. (B)Statement I is false but Statement II is true
  3. (C)Both Statement I and Statement II are true
  4. (D)Statement I is true but Statement II is false

Correct answer: (D)

Step-by-step solution →
Q109·ChemistrySingle correctJEE Main 2021
What is ‘X’ in the given reaction ? CH 2^{2}2OH+ oxalic acid2100^{0}0Cx (major product) CH2OH CH 2 CH—OHCH2_{2}2​OHCHO CH2^{2}2 CH2^{2}2 CHO CHO
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (A)

Step-by-step solution →
Q110·ChemistrySingle correctJEE Main 2021
Compound(s) which will liberate carbon dioxide with sodium bicarbonate solution is/are:
  1. (A)B and C only
  2. (B)B only
  3. (C)A and B only
  4. (D)C only

Correct answer: (A)

Step-by-step solution →
Q111·ChemistrySingle correctJEE Main 2021
Which is the final product (major) 'A' in the given reaction?
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (C)

Step-by-step solution →
Q112·ChemistrySingle correctJEE Main 2021
Which of the following compound gives pink colour on reaction with phthalic anhydride in conc.H2SO4\mathrm{H_2SO_4}H2​SO4​ followed by treatment with NaOH ?
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (B)

Step-by-step solution →
Q113·ChemistryNumericalJEE Main 2020
A solution of phenol in chloroform when treated with aqueous NaOH gives compound P as a major product. The mass percentage of carbon in P is __________. (to the nearest integer) (Atomic mass: C = 12 ; H = 1 ; O = 16)

Correct answer: 69.00

Step-by-step solution →
Q114·ChemistrySingle correctJEE Main 2020
Which of the following derivates of alcohol is unstable is an aqueous base?
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (C)

Step-by-step solution →
Q115·ChemistrySingle correctJEE Main 2020
When neopentyl alcohol is heated with an acid, it slowly converted into an 85:15 mixture of alkenes A and B, respectively. What are these alkenes?
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (B)

Step-by-step solution →
Q116·ChemistrySingle correctJEE Main 2020
The major product [B] in the following reactions is:
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (B)

Step-by-step solution →
Q117·ChemistrySingle correctJEE Main 2020
Consider the following reaction: The product ‘P’ gives positive ceric ammonium nitrate test. This is because of the presence of which of these – OH group(s)?
  1. (A)(d) only
  2. (B)(b) and (d)
  3. (C)(b) only
  4. (D)(c) and (d)

Correct answer: (C)

Step-by-step solution →
Q118·ChemistrySingle correctJEE Main 2020
The major product of the following reaction is :
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (B)

Step-by-step solution →
Q119·ChemistrySingle correctJEE Main 2020
Among the compounds A and B with molecular formula C9H18O3C_9H_{18}O_3C9​H18​O3​, A is having higher boiling point the B. The possible structures of A and B are:
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (D)

Step-by-step solution →
Q120·ChemistrySingle correctJEE Main 2020
Arrange the following compounds in increasing order of C – OH bond length: methanol, phenol, p-ethoxyphenol
  1. (A)phenol < methanol < p-ethoxyphenol
  2. (B)methanol < p-ethoxyphenol < phenol
  3. (C)methanol < phenol < p-ethoxyphenol
  4. (D)phenol < p-ethoxyphenol < methanol

Correct answer: (D)

Step-by-step solution →
Q121·ChemistrySingle correctJEE Main 2020
In the following reaction sequence, structures of A and B respectively will be
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (D)

Step-by-step solution →
Q122·ChemistrySingle correctJEE Main 2020
1-methyl ethylene oxide when treated with an excess of HBr, produces
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (D)

Step-by-step solution →
Q123·ChemistrySingle correctJEE Advanced 2019
Answer the following by appropriately matching the lists based on the information given in the paragraph List-I includes starting materials and reagents of selected chemical reactions. List-II gives structures of compounds that may be formed as intermediate products and/or final products from the reactions of List-I. Which of the following options has the correct combination considering List-I and List-II?
LIST-ILIST-II
I.see figureP.see figure
II.see figureQ.see figure
III.see figureR.see figure
IV.see figureS.see figure
T.see figure
U.see figure
  1. (A)(IV), (Q), (U)
  2. (B)(IV), (Q), (R)
  3. (C)(III), (S), (R)
  4. (D)(III), (T), (U)

Correct answer: (B)

Step-by-step solution →
Q124·ChemistrySingle correctJEE Main 2019
Heating of 2-chloro-1-phenylbutane with EtOK/EtOH gives X as the major product. Reaction of X with Hg(OAc)2_{2}2​/H2_{2}2​O followed by NaBH4_{4}4​ gives Y as the major product. Y is:
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (A)

Step-by-step solution →
Q125·ChemistrySingle correctJEE Main 2019
What will be the major product when m-cresol is reacted with propargyl bromide (HC ≡ C – CH2_22​Br) in presence of K2_22​CO3_33​ in acetone
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (C)

Step-by-step solution →
Q126·ChemistrySingle correctJEE Main 2019
The major product of the following reaction is: →ΔHI (excess)\xrightarrow[\Delta]{\text{HI (excess)}}HI (excess)Δ​
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (C)

Step-by-step solution →
Q127·ChemistrySingle correctJEE Main 2019
p-Hydroxybenzophenone upon reaction with bromine in carbon tetrachloride gives:
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (D)

Step-by-step solution →
Q128·ChemistrySingle correctJEE Main 2019
The organic compound that gives following qualitative analysis is:
TestInference
(a) Dil. HClInsoluble
(b) NaOH solutionSoluble
(c) Br2_22​/waterDecolourization
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (B)

Step-by-step solution →
Q129·ChemistrySingle correctJEE Main 2019
The major product of the following reaction
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (D)

Step-by-step solution →
Q130·ChemistrySingle correctJEE Main 2019
The major product in the following conversion is :
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (B)

Step-by-step solution →
Q131·ChemistrySingle correctJEE Main 2019
CH3−CH2−C(OH)(Ph)−CH3CH_3-CH_2-C(OH)(Ph)-CH_3CH3​−CH2​−C(OH)(Ph)−CH3​ can not be prepared by :
  1. (A)CH3CH2COCH3CH_3CH_2COCH_3CH3​CH2​COCH3​ + PhMgX
  2. (B)PhCOCH2CH3PhCOCH_2CH_3PhCOCH2​CH3​ + CH3MgXCH_3MgXCH3​MgX
  3. (C)PhCOCH3PhCOCH_3PhCOCH3​ + CH3CH2MgXCH_3CH_2MgXCH3​CH2​MgX
  4. (D)HCHO + PhCH(CH3)CH2MgXPhCH(CH_3)CH_2MgXPhCH(CH3​)CH2​MgX

Correct answer: (D)

Step-by-step solution →
Q132·ChemistrySingle correctJEE Main 2019
The major product of the following reactions is:
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (A)

Step-by-step solution →
Q133·ChemistrySingle correctJEE Main 2019
The increasing order of pKa values of the following compounds is
  1. (A)C < B < A < D
  2. (B)B < C < D < A
  3. (C)D < A < C < B
  4. (D)B < C < A < D

Correct answer: (D)

Step-by-step solution →
Q134·ChemistrySingle correctJEE Main 2019
The products formed in the reaction of cumene with O2_22​ followed by treatment with dil. HCl are:
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (C)

Step-by-step solution →
Q135·ChemistryMultiple correctJEE Advanced 2016
The correct statement(s) about the following reaction sequence is(are) Cumene (C9H12)→ii) H3O+i) O2P→CHCl3/NaOHQ (major)+R (minor)\text{Cumene }(C_{9}H_{12}) \xrightarrow[\text{ii) } H_{3}O^{+}]{\text{i) } O_{2}} \mathbf{P} \xrightarrow{CHCl_{3}/NaOH} \mathbf{Q}\text{ (major)} + \mathbf{R}\text{ (minor)}Cumene (C9​H12​)i) O2​ii) H3​O+​PCHCl3​/NaOH​Q (major)+R (minor) Q→PhCH2BrNaOHS\mathbf{Q} \xrightarrow[PhCH_{2}Br]{NaOH} \mathbf{S}QNaOHPhCH2​Br​S
  1. (A)R\mathbf{R}R is steam volatile
  2. (B)Q\mathbf{Q}Q gives dark violet coloration with 1% aqueous FeCl3FeCl_{3}FeCl3​ solution
  3. (C)S\mathbf{S}S gives yellow precipitate with 2, 4-dinitrophenylhydrazine
  4. (D)S\mathbf{S}S gives dark violet coloration with 1% aqueous FeCl3FeCl_{3}FeCl3​ solution

Correct answer: (B), (C)

Step-by-step solution →
Q136·ChemistryMultiple correctJEE Advanced 2015
In the following reactions Compound X\mathbf{X}X is
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (C)

Step-by-step solution →
Q137·ChemistryIntegerJEE Advanced 2015
The number of hydroxyl group(s) in Q\mathbf{Q}Q is

Correct answer: 4

Step-by-step solution →
Q138·ChemistryMultiple correctJEE Advanced 2015
The major product U\mathbf{U}U in the following reactions is
  1. (A)(A)
  2. (B)(B)
  3. (C)(C)
  4. (D)(D)

Correct answer: (B)

Step-by-step solution →
Q139·ChemistryMultiple correctJEE Advanced 2014
The reactivity of compound Z with different halogens under appropriate conditions is given below: The observed pattern of electrophilic substitution can be explained by
  1. (A)the steric effect of the halogen
  2. (B)the steric effect of the tert-butyl group
  3. (C)the electronic effect of the phenolic group
  4. (D)the electronic effect of the tert-butyl group

Correct answer: (A), (B), (C)

Step-by-step solution →
Q140·ChemistrySingle correctJEE Advanced 2014
The acidic hydrolysis of ether (X) shown below is fastest when
  1. (A)one phenyl group is replaced by a methyl group.
  2. (B)one phenyl group is replaced by a para-methoxyphenyl group.
  3. (C)two phenyl groups are replaced by two para-methoxyphenyl groups.
  4. (D)no structural change is made to X.

Correct answer: (C)

Step-by-step solution →
Q141·ChemistryMultiple correctJEE Advanced 2014
The correct combination of names for isomeric alcohols with molecular formula C4H10OC_4H_{10}OC4​H10​O is/are
  1. (A)tert-butanol and 2-methylpropan-2-ol
  2. (B)tert-butanol and 1, 1-dimethylethan-1-ol
  3. (C)n-butanol and butan-1-ol
  4. (D)isobutyl alcohol and 2-methylpropan-1-ol

Correct answer: (A), (C), (D)

Step-by-step solution →
Q142·ChemistryMultiple correctJEE Advanced 2013
The major product(s) of the following reaction is (are)
  1. (A)P
  2. (B)Q
  3. (C)R
  4. (D)S

Correct answer: (B)

Step-by-step solution →
Q143·ChemistrySingle correctJEE Advanced 2013
The compound that does NOT liberate CO2CO_2CO2​, on treatment with aqueous sodium bicarbonate solution, is
  1. (A)Benzoic acid
  2. (B)Benzenesulphonic acid
  3. (C)Salicylic acid
  4. (D)Carbolic acid (Phenol)

Correct answer: (D)

Step-by-step solution →
Q144·ChemistrySingle correctJEE Advanced 2013
Match the chemical conversions in List – I with appropriate reagents in List – II and select the correct answer using the code given below the lists:
List – IList – II
P.see figure1.(i) Hg(OAc)2\mathrm{Hg(OAc)_2}Hg(OAc)2​; (ii) NaBH4\mathrm{NaBH_4}NaBH4​
Q.see figure2.NaOEt
R.see figure3.Et-Br
S.see figure4.(i) BH3\mathrm{BH_3}BH3​; (ii) H2O2/NaOH\mathrm{H_2O_2/NaOH}H2​O2​/NaOH
  1. (A)P-2, Q-3, R-1, S-4
  2. (B)P-3, Q-2, R-1, S-4
  3. (C)P-2, Q-3, R-4, S-1
  4. (D)P-3, Q-2, R-4, S-1

Correct answer: (A)

Step-by-step solution →
Q145·ChemistryMultiple correctJEE Advanced 2013
In the following reaction, the product(s) formed is(are)
  1. (A)P(major)
  2. (B)Q(minor)
  3. (C)R(minor)
  4. (D)S(major)

Correct answer: (B), (D)

Step-by-step solution →

Alcohols and Ethers — frequently asked

How many questions from Alcohols and Ethers appear in JEE?

Alcohols and Ethers has appeared in 106 of the last 186 JEE Main and JEE Advanced papers — about 57% of them — contributing 145 questions in total across those papers.

Is Alcohols and Ethers an important chapter for JEE?

Judged by how often it is actually tested, it appears in roughly 57% of papers. Chapters above about 50% are effectively guaranteed to show up every session, so they repay thorough preparation; lower-frequency chapters are better treated as targeted revision.

Where do these Alcohols and Ethers questions come from?

Every question is from an official JEE Main or JEE Advanced paper, transcribed from the original paper and tagged to this chapter. Answers follow the official answer key.

Other Chemistry chapters

  • Coordination Compounds 318
  • p-Block Elements 276
  • Redox Reactions and Electrochemistry 265
  • Chemical Bonding and Molecular Structure 207
  • d- and f-Block Elements 202
  • Aldehydes and Ketones 199
  • Equilibrium 199
  • Solutions 198

All 36 Chemistry chapters →

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