JEE Main 11 April 2023 Shift 2 Question Paper

Question 1

If $\begin{vmatrix} x+1 & x & x \ x & x+\lambda & x \ x & x & x+\lambda^2 \end{vmatrix}=\dfrac{9}{8}(103x+81)$, then $\lambda,\dfrac{\lambda}{3}$ are the roots of the equation

Accepted Answer

(B) $4\lambda^2-24\lambda+27=0$

Answer

(A) $4\lambda^2+24\lambda+27=0$

Answer

(C) $4\lambda^2+24\lambda-27=0$

Answer

(D) $4\lambda^2-24\lambda-27=0$

Question 2

Let the line passing through the points $P(2,-1,2)$ and $Q(5,3,4)$ meet the plane $x-y+z=4$ at the point $R$. Then the distance of the point $R$ from the plane $x+2y+3z+2=0$ measured parallel to the line $\dfrac{x-7}{2}=\dfrac{y+3}{2}=\dfrac{z-2}{1}$ is equal to

Accepted Answer

(D) $3$

Answer

(A) $\sqrt{31}$

Answer

(B) $\sqrt{189}$

Answer

(C) $\sqrt{61}$

Question 3

If the $1011^{	ext{th}}$ term from the end in the binomial expansion of $\left(\dfrac{4x}{5}-\dfrac{5}{2x}ight)^{2022}$ is $1024$ times the $1011^{	ext{th}}$ term from the beginning, then $|x|$ is equal to

Accepted Answer

(C) $10$

Answer

(A) $12$

Answer

(B) $8$

Answer

(D) $15$

Question 4

Let the function $f:[0,2]	o\mathbb{R}$ be defined as $f(x)=\begin{cases} e^{\min\{x^2,\,x-[x]\}}, & x\in[0,1) \ e^{[x-\log_e x]}, & x\in[1,2] \end{cases}$ where $[t]$ denotes the greatest integer less than or equal to $t$. Then the value of the integral $\int_0^2 x\,f(x)\,dx$ is

Accepted Answer

(C) $2e-\dfrac{1}{2}$

Answer

(A) $2e-1$

Answer

(B) $2e+\dfrac{3e}{2}$

Answer

(D) $(e-1)\left(e^2+\dfrac{1}{2}\right)$

Question 5

Let $y=y(x)$ be the solution of the differential equation $\dfrac{dy}{dx}+\dfrac{5}{x\left(x^5+1\right)}y=\dfrac{\left(x^5+1\right)^2}{x^7}$, $x>0$. If $y(1)=2$, then $y(2)$ is equal to

Accepted Answer

(C) $\dfrac{693}{128}$

Answer

(A) $\dfrac{637}{128}$

Answer

(B) $\dfrac{679}{128}$

Answer

(D) $\dfrac{697}{128}$

Question 6

If four distinct points with position vectors $\vec{a},\vec{b},\vec{c}$ and $\vec{d}$ are coplanar, then $\left[\vec{a}\,\vec{b}\,\vec{c}\right]$ is equal to

Accepted Answer

(A) $\left[\vec{d}\,\vec{c}\,\vec{a}\right]+\left[\vec{b}\,\vec{a}\,\vec{d}\right]+\left[\vec{c}\,\vec{d}\,\vec{b}\right]$

Answer

(B) $\left[\vec{d}\,\vec{b}\,\vec{a}\right]+\left[\vec{a}\,\vec{c}\,\vec{d}\right]+\left[\vec{d}\,\vec{b}\,\vec{c}\right]$

Answer

(C) $\left[\vec{a}\,\vec{d}\,\vec{b}\right]+\left[\vec{d}\,\vec{c}\,\vec{a}\right]+\left[\vec{b}\,\vec{d}\,\vec{c}\right]$

Answer

(D) $\left[\vec{b}\,\vec{c}\,\vec{d}\right]+\left[\vec{a}\,\vec{b}\,\vec{c}\right]+\left[\vec{d}\,\vec{b}\,\vec{a}\right]$

Question 7

If $f:\mathbb{R}	o\mathbb{R}$ be a continuous function satisfying $\displaystyle\int_0^{\pi/2} f(\sin 2x)\sin x\,dx+\alpha\int_0^{\pi/4} f(\cos 2x)\cos x\,dx=0$, then $\alpha$ is equal to

Accepted Answer

(D) $-\sqrt{2}$

Answer

(A) $-\sqrt{3}$

Answer

(B) $\sqrt{2}$

Answer

(C) $\sqrt{3}$

Question 8

If the system of linear equations $7x+11y+\alpha z=13$, $5x+4y+7z=\beta$, $175x+194y+57z=361$ has infinitely many solutions, then $\alpha+\beta+2$ is equal to

Accepted Answer

(A) $4$

Answer

(B) $3$

Answer

(C) $5$

Answer

(D) $6$

Question 9

The domain of the function $f(x)=\dfrac{1}{\sqrt{[x]^2-3[x]-10}}$ is (where $[x]$ denotes the greatest integer less than or equal to $x$)

Accepted Answer

(C) $(-\infty,-3]\cup(6,\infty)$

Answer

(A) $(-\infty,-3)\cup(5,\infty)$

Answer

(B) $(-\infty,-2)\cup(6,\infty)$

Answer

(D) $(-\infty,-3]\cup[6,\infty)$

Question 10

Let $P$ be the plane passing through the points $(5,3,0)$, $(13,3,-2)$ and $(1,6,2)$. For $\alpha\in\mathbb{N}$, if the distances of the points $A(3,4,\alpha)$ and $B(2,\alpha,a)$ from the plane $P$ are $2$ and $3$ respectively, then the positive value of $a$ is

Accepted Answer

(B) $4$

Answer

(A) $6$

Answer

(C) $3$

Answer

(D) $5$

Question 11

The converse of the statement $((\sim p)\wedge q)\Rightarrow r$ is

Accepted Answer

(D) $(p\vee(\sim q))\Rightarrow(\sim r)$

Answer

(A) $(\sim r)\Rightarrow p\wedge q$

Answer

(B) $(\sim r)\Rightarrow((\sim p)\wedge q)$

Answer

(C) $r\Rightarrow((\sim p)\wedge q)$

Question 12

The angle of elevation of the top $P$ of a tower from the feet of one person standing due South of the tower is $45^\circ$ and from the feet of another person standing due West of the tower is $30^\circ$. If the height of the tower is $5$ metres, then the distance (in metres) between the two persons is equal to

Accepted Answer

(A) $10$

Answer

(B) $\dfrac{5}{2}$

Answer

(C) $5\sqrt{5}$

Answer

(D) $\dfrac{5}{2}\sqrt{5}$

Question 13

Let $a$, $b$, $c$ and $d$ be positive real numbers such that $a+b+c+d=11$. If the maximum value of $a^5 b^3 c^2 d$ is $3750\beta$, then the value of $\beta$ is

Accepted Answer

(A) $90$

Answer

(B) $110$

Answer

(C) $55$

Answer

(D) $108$

Question 14

If the radius of the largest circle with centre $(2,0)$ inscribed in the ellipse $x^2+4y^2=36$ is $r$, then $12r^2$ is equal to

Accepted Answer

(C) $92$

Answer

(A) $72$

Answer

(B) $115$

Answer

(D) $69$

Question 15

If the mean of the observations $1,2,4,5,x$ and $y$ be $5$ and their variance be $10$, then their mean deviation about the mean is equal to

Accepted Answer

(D) $\dfrac{8}{3}$

Answer

(A) $\dfrac{10}{3}$

Answer

(B) $\dfrac{7}{3}$

Answer

(C) $3$

Question 16

The sum of the coefficients of three consecutive terms in the binomial expansion of $(1+x)^{n+2}$, which are in the ratio $1:3:5$, is equal to

Accepted Answer

(B) 63

Answer

(A) 25

Answer

(C) 41

Answer

(D) 92

Question 17

If the letters of the word MATHS are permuted and all possible words so formed are arranged in a dictionary with serial numbers, then the serial number of the word THAMS is

Accepted Answer

(A) $103$

Answer

(B) $104$

Answer

(C) $101$

Answer

(D) $102$

Question 18

For $a\in\mathbb{C}$, let $A=\{z\in\mathbb{C}:\operatorname{Re}(a+\bar{z})>\operatorname{Im}(\bar{a}+z)\}$ and $B=\{z\in\mathbb{C}:\operatorname{Re}(a+\bar{z})<\operatorname{Im}(\bar{a}+z)\}$. Then among the two statements: (S1): If $\operatorname{Re}(a),\operatorname{Im}(a)>0$, then the set $A$ contains all the real numbers; (S2): If $\operatorname{Re}(a),\operatorname{Im}(a)<0$, then the set $B$ contains all the real numbers,

Accepted Answer

(B) Both are false

Answer

(A) Only (S1) is true

Answer

(C) Only (S2) is true

Answer

(D) Both are true

Question 19

Let $A=\{1,3,4,6,9\}$ and $B=\{2,4,5,8,10\}$. Let $R$ be a relation defined on $A	imes B$ such that $R=\{((a_1,b_1),(a_2,b_2)):a_1\le b_2 	ext{ and } b_1\le a_2\}$. Then the number of elements in the set $R$ is

Accepted Answer

(B) 160

Answer

(A) 26

Answer

(C) 180

Answer

(D) 52

Question 20

Let $g$ and $f$ be two functions defined as $f(x)=\begin{cases} x+1, & x<0 \ |x-1|, & x\ge 0 \end{cases}$ and $g(x)=\begin{cases} x+1, & x<0 \ 1, & x\ge 0 \end{cases}$. Then $(g\circ f)(x)$ is

Accepted Answer

(B) continuous everywhere but not differentiable exactly at one point

Answer

(A) differentiable everywhere

Answer

(C) not continuous at $x=-1$

Answer

(D) continuous everywhere but not differentiable at $x=1$

Question 21

The number of points, where the curve $f(x)=e^{8x}-e^{6x}-3e^{4x}-e^{2x}+1$, $x\in\mathbb{R}$ cuts the x-axis, is equal to

Accepted Answer

2

Question 22

The probability of getting a head for a biased coin is $\dfrac{1}{4}$. It is tossed repeatedly until a head appears. Let $N$ be the number of tosses required. If the probability that the equation $64x^2+5Nx+1=0$ has no real root is $\dfrac{p}{q}$, where $p$ and $q$ are co-prime, then $q-p$ is equal to

Accepted Answer

27

Question 23

Let $\vec{a}=\hat{i}+2\hat{j}+3\hat{k}$ and $\vec{b}=\hat{i}+\hat{j}-\hat{k}$. If $\vec{c}$ is a vector such that $\vec{a}\cdot\vec{c}=11$, $\vec{b}\cdot(\vec{a}	imes\vec{c})=27$ and $\vec{b}\cdot\vec{c}=-\sqrt{3}\,|\vec{b}|$, then $|\vec{a}	imes\vec{c}|^2$ is equal to

Accepted Answer

285

Question 24

Let $S=\left\{z\in\mathbb{C}-\{i,2i\}:\dfrac{z^2+8iz-15}{z^2-3iz-2}\in\mathbb{R}\right\}$. If $\alpha-\dfrac{13}{11}i\in S$, $\alpha\in\mathbb{R}-\{0\}$, then $242\alpha^2$ is equal to

Accepted Answer

1680

Question 25

For $k\in\mathbb{N}$, if the sum of the series $1+\dfrac{4}{k}+\dfrac{8}{k^2}+\dfrac{13}{k^3}+\dfrac{19}{k^4}+\cdots$ is $10$, then the value of $k$ is

Accepted Answer

2

Question 26

Let $A=\{1,2,3,4,5\}$ and $B=\{1,2,3,4,5,6\}$. Then the number of functions $f:A	o B$ satisfying $f(1)+f(2)=f(4)-1$ is equal to

Accepted Answer

360

Question 27

Let the tangent to the parabola $y^2=12x$ at the point $(3,\alpha)$ be perpendicular to the line $2x+2y=3$. Then the square of the distance of the point $(6,-4)$ from the normal to the hyperbola $\alpha^2 x^2-9y^2=9\alpha^2$ at its point $(\alpha-1,\alpha+2)$ is equal to

Accepted Answer

116

Question 28

Let the line $\ell:x=\dfrac{1-y}{-2}=\dfrac{z-3}{\lambda}$, $\lambda\in\mathbb{R}$ meet the plane $P:x+2y+3z=4$ at the point $(\alpha,\beta,\gamma)$. If the angle between the line $\ell$ and the plane $P$ is $\cos^{-1}\left(\sqrt{\dfrac{5}{14}}\right)$, then $\alpha+2\beta+6\gamma$ is equal to

Accepted Answer

11

Question 29

If the line $\ell_1:3y-2x=3$ is the angular bisector of the lines $\ell_2:x-y+1=0$ and $\ell_3:\alpha x+\beta y+17=0$, then $\alpha^2+\beta^2-\alpha-\beta$ is equal to

Accepted Answer

348

Question 30

If $A$ is the area in the first quadrant enclosed by the curve $C:2x^2-y+1=0$, the tangent to $C$ at the point $(1,3)$ and the line $x+y=1$, then the value of $60A$ is

Accepted Answer

16

Question 31

Eight equal drops of water are falling through air with a steady speed of $10$ cm/s. If the drops coalesce, the new velocity is:

Accepted Answer

(B) $40$ cm/s

Answer

(A) $10$ cm/s

Answer

(C) $16$ cm/s

Answer

(D) $5$ cm/s

Question 32

A car P travelling at $20$ ms$^{-1}$ sounds its horn at a frequency of $400$ Hz. Another car Q is travelling behind the first car in the same direction with a velocity $40$ ms$^{-1}$. The frequency heard by the passenger of car Q is approximately [Take velocity of sound $=360$ ms$^{-1}$]

Accepted Answer

(B) $421$ Hz

Answer

(A) $514$ Hz

Answer

(C) $485$ Hz

Answer

(D) $471$ Hz

Question 33

A plane electromagnetic wave of frequency $20$ MHz propagates in free space along the x-direction. At a particular space and time, $\vec{E}=6.6\,\hat{j}$ V/m. What is $\vec{B}$ at this point?

Accepted Answer

(B) $2.2	imes10^{-8}\,\hat{k}$ T

Answer

(A) $-2.2	imes10^{-8}\,\hat{i}$ T

Answer

(C) $-2.2	imes10^{-8}\,\hat{k}$ T

Answer

(D) $2.2	imes10^{-8}\,\hat{i}$ T

Question 34

A capacitor of capacitance C is charged to a potential V. The flux of the electric field through a closed surface enclosing the positive plate of the capacitor is:

Accepted Answer

(C) $\dfrac{CV}{\varepsilon_0}$

Answer

(A) $\dfrac{CV}{2\varepsilon_0}$

Answer

(B) $\dfrac{2CV}{\varepsilon_0}$

Answer

(D) Zero

Question 35

If force (F), velocity (V) and time (T) are considered as fundamental physical quantities, then the dimensional formula of density will be:

Accepted Answer

(B) $FV^{-4}T^{-2}$

Answer

(A) $FV^{-2}T^{2}$

Answer

(C) $FV^{4}T^{-6}$

Answer

(D) $F^{2}V^{-2}T^{6}$

Question 36

In satellite communication, the uplink frequency band used is:

Accepted Answer

(B) $5.925-6.425$ GHz

Answer

(A) $3.7-4.2$ GHz

Answer

(C) $76-88$ MHz

Answer

(D) $420-890$ MHz

Question 37

If V is the gravitational potential due to a sphere of uniform density on its surface, then its value at the centre of the sphere will be:

Accepted Answer

(A) $\dfrac{3V}{2}$

Answer

(B) $V$

Answer

(C) $\dfrac{4}{3}V$

Answer

(D) $\dfrac{V}{2}$

Question 38

A body of mass $500$ g moves along the x-axis such that its velocity varies with displacement x according to the relation $v=10\sqrt{x}$ m/s. The force acting on the body is:

Accepted Answer

(B) $25$ N

Answer

(A) $166$ N

Answer

(C) $125$ N

Answer

(D) $5$ N

Question 39

A projectile is projected at $30^\circ$ from the horizontal with initial velocity $40$ ms$^{-1}$. The velocity of the projectile at $t=2$ s from the start will be: (Given $g=10$ m/s$^2$)

Accepted Answer

(A) $20\sqrt{3}$ ms$^{-1}$

Answer

(B) $40\sqrt{3}$ ms$^{-1}$

Answer

(C) $20$ ms$^{-1}$

Answer

(D) Zero

Question 40

A ray of light is reflected from a plane mirror with $30^\circ$ angle of reflection. The angle of deviation of the ray after reflection is:

Accepted Answer

(B) $120^\circ$

Answer

(A) $60^\circ$

Answer

(C) $110^\circ$

Answer

(D) $130^\circ$

Question 41

A spaceship of mass $2	imes10^{4}$ kg is launched into a circular orbit close to the earth's surface. The additional velocity to be imparted to the spaceship in the orbit to overcome the gravitational pull will be (if $g=10$ m/s$^2$ and radius of earth $=6400$ km)

Accepted Answer

(C) $8\left(\sqrt{2}-1\right)$ km/s

Answer

(A) $11.2\left(\sqrt{2}-1\right)$ km/s

Answer

(B) $7.9\left(\sqrt{2}-1\right)$ km/s

Answer

(D) $4\left(\sqrt{2}-1\right)$ km/s

Question 42

The ratio of the de-Broglie wavelengths of a proton and an electron having the same kinetic energy is: (Assume $m_p=m_e	imes1849$)

Accepted Answer

(A) $1:43$

Answer

(B) $1:30$

Answer

(C) $1:62$

Answer

(D) $2:43$

Question 43

The thermodynamic process in which the internal energy of the system remains constant is:

Accepted Answer

(B) Isothermal

Answer

(A) Isochoric

Answer

(C) Adiabatic

Answer

(D) Isobaric

Question 44

The energy of the He$^+$ ion in the first excited state is (the ground state energy for the hydrogen atom is $-13.6$ eV):

Accepted Answer

(C) $-13.6$ eV

Answer

(A) $-3.4$ eV

Answer

(B) $-54.4$ eV

Answer

(D) $-27.2$ eV

Question 45

The logic operation performed by the given digital circuit is equivalent to:

Accepted Answer

(A) AND

Answer

(B) NOR

Answer

(C) OR

Answer

(D) NAND

Question 46

The root mean square speed of molecules of nitrogen gas at $27^\circ$C is: (Given mass of a nitrogen molecule $=4.6	imes10^{-26}$ kg and take Boltzmann constant $k_B=1.4	imes10^{-23}$ JK$^{-1}$)

Accepted Answer

(A) $523$ m/s

Answer

(B) $1260$ m/s

Answer

(C) $91$ m/s

Answer

(D) $27.4$ m/s

Question 47

In the given circuit, the current flowing through $R_2$ is:

Accepted Answer

(D) $\dfrac{1}{3}$ A

Answer

(A) $\dfrac{2}{3}$ A

Answer

(B) $\dfrac{1}{4}$ A

Answer

(C) $\dfrac{3}{2}$ A

Question 48

When the vector $\vec{A}=2\hat{i}+3\hat{j}+2\hat{k}$ is subtracted from vector $\vec{B}$, it gives a vector equal to $2\hat{j}$. Then the magnitude of vector $\vec{B}$ will be:

Accepted Answer

(A) $\sqrt{13}$

Answer

(B) $3$

Answer

(C) $\sqrt{6}$

Answer

(D) $\sqrt{5}$

Question 49

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: A bar magnet dropped through a metallic cylindrical pipe takes more time to come down compared to a non-magnetic bar with the same geometry and mass.
Reason R: For the magnetic bar, eddy currents are produced in the metallic pipe which oppose the motion of the magnetic bar.
In the light of the above statements, choose the correct answer from the options given below.

Accepted Answer

(C) Both A and R are true and R is the correct explanation of A

Answer

(A) Both A and R are true but R is NOT the correct explanation of A

Answer

(B) A is true but R is false

Answer

(D) A is false but R is true

Question 50

An electron is allowed to move with constant velocity along the axis of a current carrying straight solenoid. A. The electron will experience magnetic force along the axis of the solenoid. B. The electron will not experience magnetic force. C. The electron will continue to move along the axis of the solenoid. D. The electron will be accelerated along the axis of the solenoid. E. The electron will follow a parabolic path inside the solenoid. Choose the correct answer from the options given below:

Accepted Answer

(B) B and C only

Answer

(A) B, C and D only

Answer

(C) A and D only

Answer

(D) B and E only

Question 51

In the given circuit, $C_1=2\ \mu$F, $C_2=0.2\ \mu$F, $C_3=2\ \mu$F, $C_4=4\ \mu$F, $C_5=2\ \mu$F, $C_6=2\ \mu$F. The charge stored on capacitor $C_4$ is ____ $\mu$C.

Accepted Answer

4

Question 52

A circular plate is rotating in a horizontal plane, about an axis passing through its centre and perpendicular to the plate, with an angular velocity $\omega$. A person sits at the centre having two dumbbells in his hands. When he stretches out his hands the moment of inertia of the system becomes triple. If E is the initial kinetic energy of the system, then the final kinetic energy will be $\dfrac{E}{x}$. The value of x is ____.

Accepted Answer

3

Question 53

A nucleus disintegrates into two nuclear parts, in such a way that the ratio of their nuclear sizes is $1:2^{1/3}$. Their respective speeds have a ratio of $n:1$. The value of n is ____.

Accepted Answer

2

Question 54

Two identical cells each of emf $1.5$ V are connected in series across a $10\ \Omega$ resistance. An ideal voltmeter connected across the $10\ \Omega$ resistance reads $1.5$ V. The internal resistance of each cell is ____ $\Omega$.

Accepted Answer

5

Question 55

A block of mass $5$ kg starting from rest is pulled up on a smooth inclined plane making an angle of $30^\circ$ with the horizontal with an effective acceleration of $1$ ms$^{-2}$. The power delivered by the pulling force at $t=10$ s from the start is ____ W. [Use $g=10$ ms$^{-2}$] (calculate the nearest integer value)

Accepted Answer

300

Question 56

A coil has an inductance of $2$ H and resistance of $4\ \Omega$. A $10$ V supply is applied across the coil. The energy stored in the magnetic field after the current has built up to its equilibrium value will be ____ $	imes10^{-3}$ J.

Accepted Answer

625

Question 57

A metallic cube of side $15$ cm is moving along the y-axis at a uniform velocity of $2$ ms$^{-1}$ in a region of uniform magnetic field of magnitude $0.5$ T directed along the z-axis. In equilibrium the potential difference between the faces of higher and lower potential developed because of the motion through the field will be ____ mV.

Accepted Answer

150

Question 58

A wire of density $8	imes10^{3}$ kg/m$^3$ is stretched between two clamps $0.5$ m apart. The extension developed in the wire is $3.2	imes10^{-4}$ m. If $Y=8	imes10^{10}$ N/m$^2$, the fundamental frequency of vibration in the wire will be ____ Hz.

Accepted Answer

80

Question 59

The surface tension of soap solution is $3.5	imes10^{-2}$ Nm$^{-1}$. The amount of work done required to increase the radius of the soap bubble from $10$ cm to $20$ cm is ____ $	imes10^{-4}$ J.

Accepted Answer

264

Question 60

As shown in the figure, a plane mirror is fixed at a height of $50$ cm from the bottom of a tank containing water $\left(\mu=\dfrac{4}{3}\right)$. The height of water in the tank is $8$ cm. A small bulb is placed at the bottom of the water tank. The distance of the image of the bulb formed by the mirror from the bottom of the tank is ____ cm.

Accepted Answer

98

Question 61

Which hydride among the following is less stable?

Accepted Answer

(A) $BeH_2$

Answer

(B) $NH_3$

Answer

(C) $HF$

Answer

(D) $LiH$

Question 62

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Methyl cyclohexyl ketone can be subjected to Wolff-Kishner reduction to give ethylcyclohexane.
Reason R: Wolff-Kishner reduction is used to convert an acyl chloride ($R	ext{--}COCl$) into a methyl group ($R	ext{--}CH_3$).
In the light of the above statements, choose the correct answer from the options given below:

Accepted Answer

(C) A is false but R is true

Answer

(A) Both A and R are true but R is NOT the correct explanation of A

Answer

(B) A is true but R is false

Answer

(D) Both A and R are true and R is the correct explanation of A

Question 63

The major product formed in the following reaction is: $C_6H_5	ext{--}CH(OH)	ext{--}CH(CH_3)	ext{--}CH_2	ext{--}CHO \xrightarrow[\Delta]{Zn(Hg)/HCl}$ Major Product. The possible products (A), (B), (C) and (D) are shown in the figure. Choose the correct answer from the options given below:

Accepted Answer

(B) B only

Answer

(A) A only

Answer

(C) C only

Answer

(D) D only

Question 64

Which of the following compounds is an example of Freon?

Accepted Answer

(A) $C_2Cl_2F_2$

Answer

(B) $C_2HF_3$

Answer

(C) $C_2H_2F_2$

Answer

(D) $C_2F_4$

List-I (Compound)	List-II (Colour)
A. $Mg(NH_4)PO_4$	I.Brown
B. $K_3[Co(NO_2)_6]$	II.White
C. $MnO(OH)_2$	III.Yellow
D. $Fe_4[Fe(CN)_6]_3$	IV.Blue

JEE Main 11 April 2023 Shift 2 Question Paper with Answers

Physics — JEE Main 11 April 2023 Shift 2

Chemistry — JEE Main 11 April 2023 Shift 2

Mathematics — JEE Main 11 April 2023 Shift 2

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