JEE Main 26 February 2021 Shift 1 Question Paper

Question 1

The number of seven digit integers with sum of the digits equal to 10 and formed by using the digits 1,2 and 3 only is

Accepted Answer

(A) 77

Answer

(B) 42

Answer

(C) 35

Answer

(D) 82

Question 2

The maximum value of the term independent of ‘t’ in the expansion of $\left( tx^{\frac{1}{5}} + \frac{(1-x)^{\frac{1}{10}}}{t} \right)^{10}$ where x ∈ (0,1) is:

Accepted Answer

(D) $\frac{2.10!}{3\sqrt{3}(5!)^{2}}$

Answer

(A) $\frac{10!}{\sqrt{3}(5!)^{2}}$

Answer

(B) $\frac{2.10!}{3(5!)^{2}}$

Answer

(C) $\frac{10!}{3(5!)^{2}}$

Question 3

The value of $\sum_{n=1}^{100} \int_{n-1}^{n} e^{x-[x]}dx$, where [x] is the greatest integer ≤ x, is:

Accepted Answer

(A) 100 (e–1)

Answer

(B) 100e

Answer

(C) 100(1-e)

Answer

(D) 100 (1 + e)

Question 4

The rate of growth of bacteria in a culture is proportional to the number of bacteria present and the bacteria count is 1000 at initial time t = 0. The number of bacteria is increased by 20% in 2 hours. If the population of bacteria is 2000 after $\frac{k}{\log_{e}\left(\frac{6}{5}\right)}$ hours, then $\left(\frac{k}{\log_{e} 2}\right)^{2}$ is equal to

Accepted Answer

(A) 4

Answer

(B) 2

Answer

(C) 16

Answer

(D) 8

Question 5

If $\vec{a}$ & $\vec{b}$ are perpendicular vactors, then $\vec{a} 	imes \left( \vec{a} 	imes \left( \vec{a} 	imes \left( \vec{a} 	imes \vec{b} ight) ight) ight)$ is equal to

Accepted Answer

(C) $\left|\vec{a}\right|^{4}\,\vec{b}$

Answer

(A) $\frac{1}{2}\left|\vec{a}\right|^{4}\,\vec{b}$

Answer

(B) $\vec{a} 	imes \vec{b}$

Answer

(D) $\vec{0}$

Question 6

In an increasing, geometric series, the sum of the second and the sixth term is $\frac{25}{2}$ and the product of the third and fifth term is 25. Then, the sum of $4^{th}$, $6^{th}$ and $8^{th}$ terms is equal to :

Accepted Answer

(A) 35

Answer

(B) 30

Answer

(C) 26

Answer

(D) 32

Question 7

Consider the three planes
$P_{1}$ : 3x + 15y + 21z = 9,
$P_{2}$ : x − 3y − z= 5, and
$P_{3}$ : 2x + 10 y + 14z = 5
Then, which one of the following is true?

Accepted Answer

(A) $P_{1}$ and $P_{3}$ are parallel.

Answer

(B) $P_{2}$ and $P_{3}$ are parallel.

Answer

(C) $P_{1}$ and $P_{2}$ are parallel.

Answer

(D) $P_{1}$ , $P_{2}$ and $P_{3}$ all are parallel.

Question 8

The sum of the infinite series $1 + \frac{2}{3} + \frac{7}{3^{2}} + \frac{12}{3^{3}} + \frac{17}{3^{4}} + \frac{22}{3^{5}} + \ldots$ is equal to

Accepted Answer

(C) $\frac{13}{4}$

Answer

(A) $\frac{9}{4}$

Answer

(B) $\frac{15}{4}$

Answer

(D) $\frac{11}{4}$

Question 9

The value of $\begin{vmatrix} (a+1)(a+2) & a+2 & 1 \ (a+2)(a+3) & a+3 & 1 \ (a+3)(a+4) & a+4 & 1 \end{vmatrix}$ is

Accepted Answer

(A) −2

Answer

(B) (a+1) (a+2) (a+3)

Answer

(C) 0

Answer

(D) (a+2) (a+3) (a+4)

Question 10

If $\frac{\sin^{-1}x}{a} = \frac{\cos^{-1}x}{b} = \frac{	an^{-1}y}{c}$ ; 0 < x < 1, then the value of $\cos\left(\frac{\pi c}{a+b}ight)$ is:

Accepted Answer

(B) $\frac{1-y^{2}}{1+y^{2}}$

Answer

(A) $\frac{1-y^{2}}{2y}$

Answer

(C) $1-y^{2}$

Answer

(D) $\frac{1-y^{2}}{y\sqrt{y}}$

Question 11

Let A be a symmetric matrix of order 2 with integer entries. If the sum of the diagonal elements of $A^{2}$ is 1, then the possible number of such matrices is:

Accepted Answer

(C) 4

Answer

(A) 6

Answer

(B) 1

Answer

(D) 12

Question 12

The intersection of three lines x−y = 0, x + 2y = 3 and 2x + y = 6 is a:

Accepted Answer

(C) Isosceles triangle

Answer

(A) Equilateral triangle

Answer

(B) None of the above

Answer

(D) Right angled triangle

Question 13

The maximum slope of the curve $y = \frac{1}{2}x^{4} - 5x^{3} + 18x^{2} - 19x$ occurs at the point:

Accepted Answer

(B) (2,2)

Answer

(A) (2, 9)

Answer

(C) $\left( 3, \frac{21}{2} \right)$

Answer

(D) (0, 0)

Question 14

Let f be any function defined on R and let it satisfy the condition :
$(\left|f(x) - f(y)\right| \le \left|(x - y)^{2}\right|, \forall (x, y) \in R$
If f(0) = 1, then:

Accepted Answer

(D) f(x) >0, ∀ x ∈ R

Answer

(A) f(x) < 0, ∀x ∈ R

Answer

(B) f(x) can take any value in R

Answer

(C) f(x) = 0, ∀ x ∈ R

Question 15

The value of $\int_{-\pi/2}^{\pi/2} \frac{\cos^{2}x}{1+3^{x}}dx$ is:

Accepted Answer

(D) $\frac{\pi}{4}$

Answer

(A) 2π

Answer

(B) 4π

Answer

(C) $\frac{\pi}{2}$

Question 16

The value of $\lim_{h 	o 0}\left\{\frac{\sqrt{3}\,\sin\left(\frac{\pi}{6}+hight)-\cos\left(\frac{\pi}{6}+hight)}{\sqrt{3}h\left(\sqrt{3}\,\cos h-\sin hight)}ight\}$ is:

Accepted Answer

(C) $\frac{4}{3}$

Answer

(A) $\frac{3}{4}$

Answer

(B) $\frac{2}{\sqrt{3}}$

Answer

(D) $\frac{2}{3}$

Question 17

A fair coin is tossed a fixed number of times. If the probability of getting 7 heads is equal to probability of getting 9 heads, then the probability of getting 2 heads is :

Accepted Answer

(B) $\frac{15}{2^{13}}$

Answer

(A) $\frac{15}{2^{12}}$

Answer

(C) $\frac{15}{2^{14}}$

Answer

(D) $\frac{15}{2^{8}}$

Question 18

If (1,5,35), (7,5,5), (1, λ, 7) and (2λ, 1, 2) are coplanar, then the sum of all possible values of λ is:

Accepted Answer

(D) $\frac{44}{5}$

Answer

(A) $-\frac{44}{5}$

Answer

(B) $\frac{39}{5}$

Answer

(C) $-\frac{39}{5}$

Question 19

Let R = {P,Q)|P and Q are at the same distance from the origin} be a relation, then the equivalence class of (1,−1) is the set:

Accepted Answer

(D) $S=\{(x,y)\,|\,x^{2}+y^{2}=2\}$

Answer

(A) $S=\{(x,y)\,|\,x^{2}+y^{2}=1\}$

Answer

(B) $S=\{(x,y)\,|\,x^{2}+y^{2}=4\}$

Answer

(C) $S=\{(x,y)\,|\,x^{2}+y^{2}=\sqrt{2}\}$

Question 20

In the circle given below, let OA = 1 unit, OB = 13 unit and PQ ⊥ OB. Then, the area of the triangle PQB (in square units) is:

Accepted Answer

(C) $24\sqrt{3}$

Answer

(A) $26\sqrt{3}$

Answer

(B) $24\sqrt{2}$

Answer

(D) $26\sqrt{2}$

Question 21

The number of integral values of 'k' for which the equation 3sinx + 4cos x = k + 1 has a solution, k ∈ R is _______.

Accepted Answer

11

Question 22

Let m, n ∈ N and gcd (2, n) = 1. If $30\binom{30}{0}+29\binom{30}{1}+....+2\binom{30}{28}+1\binom{30}{29}=n\cdot 2^{m}$, then n + m is equal to _______.

Accepted Answer

45

Question 23

If y = y(x) is the solution of the equation $e^{\sin y}\cos y\,\frac{dy}{dx}+e^{\sin y}\cos x=\cos x$, y(0) = 0 ; then $1+y\left(\frac{\pi}{6}\right)+\frac{\sqrt{3}}{2}y\left(\frac{\pi}{3}\right)+\frac{1}{\sqrt{2}}y\left(\frac{\pi}{4}\right)$ is equal to _______.

Accepted Answer

1

Question 24

The number of solutions of the equation $\log_{4}(x-1)=\log_{2}(x-3)$ is _______.

Accepted Answer

1

Question 25

If $\sqrt{3}(\cos^{2}x)=(\sqrt{3}-1)\cos x+1$, the number of solutions of the given equation when $x \in \left[0,\frac{\pi}{2}\right]$ is _______.

Accepted Answer

1

Question 26

Let (λ, 2, 1) be a point on the plane which passes through the point (4, −2, 2). If the plane is perpendicular to the line joining the point (−2, −21, 29) and (−1, −16, 23), then $\left(\frac{\lambda}{11}\right)^{2}-\frac{4\lambda}{11}-4$ is equal to _______.

Accepted Answer

8

Question 27

The difference betweeen degree and order of differential equation that represents the family of curves given by $y^{2}=a\left(x+\frac{\sqrt{a}}{2}\right)$, a > 0 is _______.

Accepted Answer

2

Question 28

The sum of $162^{	ext{th}}$ power of the roots of the equation $x^{3}-2x^{2}+2x-1=0$ is _______.

Accepted Answer

3

Question 29

The value of the integeral $\int_{0}^{\pi}\left|\sin 2x\right|\,dx$ is _______

Accepted Answer

2

Question 30

If λ$_1$ and λ$_2$ are the wavelengths of the third member of Lyman and first member of the Paschen series respectively, then the value of λ$_1$ : λ$_2$ is :

Accepted Answer

(C) 7 : 135

Answer

(A) 1 : 3

Answer

(B) 1 : 9

Answer

(D) 7 : 108

Question 31

The temperature θ at the junction of two insulating sheets, having thermal resistances R$_1$ and R$_2$ as well as top and bottom temperatures θ$_1$ and θ$_2$ (as shown in figure) is given by :

Accepted Answer

(A) $\frac{	heta_1 R_2 + 	heta_2 R_1}{R_1 + R_2}$

Answer

(B) $\frac{	heta_1 R_2 - 	heta_2 R_1}{R_2 - R_1}$

Answer

(C) $\frac{	heta_2 R_2 - 	heta_1 R_1}{R_2 - R_1}$

Answer

(D) $\frac{	heta_1 R_1 + 	heta_2 R_2}{R_1 + R_2}$

Question 32

In a Young's double slit experiment two slits are separated by 2 mm and the screen is placed one meter away. When a light of wavelength 500 nm is used, the fringe separation will be :

Accepted Answer

(D) 0.25 mm

Answer

(A) 0.75 mm

Answer

(B) 0.50 mm

Answer

(C) 1 mm

Question 33

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : An electron microscope can achieve better resolving power than an optical microscope.
Reason R : The de Broglie's wavelength of the electrons emitted from an electron gun is much less than wavelength of visible light.
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) A is true but R is false.

Answer

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

Answer

(D) A is false but R is true.

Question 34

Four identical solid spheres each of mass 'm' and radius 'a' are placed with their centres on the four corners of a square of side 'b'. The moment of inertia of  the system about one side of square where the axis of rotation is parallel to the  plane of the square is :

Accepted Answer

(D) $\frac{8}{5}$ma$^{2}$ + 2mb$^{2}$

Answer

(A) $\frac{4}{5}$ma$^{2}$

Answer

(B) $\frac{8}{5}$ma$^{2}$ + mb$^{2}$

Answer

(C) $\frac{4}{5}$ma$^{2}$ + 2mb$^{2}$

Question 35

The normal density of a material is ρ and its bulk modulus of elasticity is K. The magnitude of increase in density of material, when a pressure P is applied uniformly on all sides, will be :

Accepted Answer

(D) $\frac{\rho P}{K}$

Answer

(A) $\frac{\rho K}{P}$

Answer

(B) $\frac{K}{\rho P}$

Answer

(C) $\frac{PK}{\rho}$

Question 36

LED is constructed from Ga-As-P semiconducting material. The energy gap of this LED is 1.9 eV. Calculate the wavelength of light emitted and its colour.
[h=6.63×10$^{-34}$ Js and c=3×10$^{8}$ ms$^{-1}$]

Accepted Answer

(A) 654 nm and red colour

Answer

(B) 1046 nm and blue colour

Answer

(C) 1046 nm and red colour

Answer

(D) 654 nm and orange colour

Question 37

Five equal resistances are connected in a network as shown in figure. The net resistance between the points A and B is :

Accepted Answer

(C) R

Answer

(A) $\frac{3R}{2}$

Answer

(B) $\frac{R}{2}$

Answer

(D) 2R

Question 38

Find the gravitational force of attraction between the ring and sphere as shown in the diagram, where the plane of the ring is perpendicular to the line joining the centres. If $\sqrt{8}$R is the distance between the centres of a ring (of mass 'm') and a sphere (mass 'M') where both have equal radius 'R'.

Accepted Answer

(B) $\frac{\sqrt{8}}{27}\cdot\frac{GmM}{R^{2}}$

Answer

(A) $\frac{\sqrt{8}}{9}\cdot\frac{GmM}{R}$

Answer

(C) $\frac{2\sqrt{2}}{3}\cdot\frac{GMm}{R^{2}}$

Answer

(D) $\frac{1}{3\sqrt{8}}\cdot\frac{GMm}{R^{2}}$

Question 39

Assume that a tunnel is dug along a chord of the earth, at a perpendicular distance (R/2) from the earth's centre, where 'R' is the radius of the Earth. The wall of the tunnel is frictionless. If a particle is released in this tunnel, it will execute a simple harmonic motion with a time period :

Accepted Answer

(A) 2π$\sqrt{\frac{R}{g}}$

Answer

(B) $\frac{1}{2\pi}\sqrt{\frac{g}{R}}$

Answer

(C) $\frac{2\pi R}{g}$

Answer

(D) $\frac{g}{2\pi R}$

Question 40

Find the electric field at point P (as shown in figure) on the perpendicular bisector of a uniformly charged thin wire of length L carrying a charge Q. The distance of the point P from the centre of the rod is a = $\frac{\sqrt{3}}{2}$L .

Accepted Answer

(A) $\frac{Q}{2\sqrt{3}\pi\varepsilon_0 L^{2}}$

Answer

(B) $\frac{\sqrt{3}Q}{4\pi\varepsilon_0 L^{2}}$

Answer

(C) $\frac{Q}{3\pi\varepsilon_0 L^{2}}$

Answer

(D) $\frac{Q}{4\pi\varepsilon_0 L^{2}}$

Question 41

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : Body 'P' having mass M moving with speed 'u' has head-on collision elastically with another body 'Q' having mass 'm' initially at rest. If m<<M, body 'Q' will have a maximum speed equal to '2u' after collision.
Reason R : During elastic collision, the momentum and kinetic energy are both conserved.
In the light of the above statements, choose the most appropriate answer from the options given below:

Accepted Answer

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

Answer

(A) A is correct but R is not correct.

Answer

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

Answer

(C) A is not correct but R is correct.

Question 42

A short straight object of height 100 cm lies before the central axis of a spherical mirror whose focal length has absolute value |f| = 40 cm. The image of object produced by the mirror is of height 25 cm and has the same orientation of the object. One may conclude from the information :

Accepted Answer

(B) Image is virtual, opposite side of convex mirror.

Answer

(A) Image is real, same side of concave mirror.

Answer

(C) Image is virtual, opposite side of concave mirror.

Answer

(D) Image is real, same side of convex mirror.

Question 43

A particle is moving with uniform speed along the circumference of a circle of radius R under the action of a central fictitious force F which is inversely proportional to R$^{3}$. Its time period of revolution will be given by :

Accepted Answer

(B) T ∝ $R^{2}$

Answer

(A) T ∝ $R^{\frac{5}{2}}$

Answer

(C) T ∝ $R^{\frac{4}{3}}$

Answer

(D) T ∝ $R^{\frac{3}{2}}$

Question 44

A large number of water drops, each of radius r, combine to have a drop of radius R. If the surface tension is T and mechanical equivalent of heat is J, the rise in heat energy per unit volume will be :

Accepted Answer

(D) $\frac{3T}{J}\left(\frac{1}{r}-\frac{1}{R}\right)$

Answer

(A) $\frac{2T}{rJ}$

Answer

(B) $\frac{3T}{rJ}$

Answer

(C) $\frac{2T}{J}\left(\frac{1}{r}-\frac{1}{R}\right)$

Question 45

A planet revolving in elliptical orbit has :
A. a constant velocity of revolution.
B. has the least velocity when it is nearest to the sun.
C. its areal velocity is directly proportional to its velocity.
D. areal velocity is inversely proportional to its velocity.
E. to follow a trajectory such that the areal velocity is constant.
Choose the correct answer from the options given below :

Accepted Answer

(B) E only

Answer

(A) A only

Answer

(C) D only

Answer

(D) C only

Question 46

An alternating current is given by the equation i=i$_{1}$sinωt + i$_{2}$cosωt. The rms current will be :

Accepted Answer

(B) $\frac{1}{\sqrt{2}}\left(i_{1}^{2} + i_{2}^{2}\right)^{\frac{1}{2}}$

Answer

(A) $\frac{1}{2}\left(i_{1}^{2} + i_{2}^{2}\right)^{\frac{1}{2}}$

Answer

(C) $\frac{1}{\sqrt{2}}\left(i_{1} + i_{2}\right)^{2}$

Answer

(D) $\frac{1}{\sqrt{2}}\left(i_{1} + i_{2}\right)$

Question 47

If two similar springs each of spring constant K$_{1}$ are joined in series, the new spring constant and time period would be changed by a factor :

Accepted Answer

(A) $\frac{1}{2}$, $\sqrt{2}$

Answer

(B) $\frac{1}{4}$, $2\sqrt{2}$

Answer

(C) $\frac{1}{2}$, $2\sqrt{2}$

Answer

(D) $\frac{1}{4}$, $\sqrt{2}$

Question 48

In a typical combustion engine the workdone by a gas molecule is given by $W = \alpha^{2}\beta e^{\frac{-\beta x^{2}}{kT}}$, where x is the displacement, k is the Boltzmann constant and T is the temperature. If α and β are constants, dimensions of α will be :

Accepted Answer

(A) $[M^{0}\,L\,T^{0}]$

Answer

(B) $[M^{2}\,L\,T^{-2}]$

Answer

(C) $[M\,L\,T^{-2}]$

Answer

(D) $[M\,L\,T^{-1}]$

Question 49

The mass per unit length of a uniform wire is 0.135 g/cm. A transverse wave of the form y=−0.21sin(x+30t) is produced in it, where x is in meter and t is in second. Then, the expected value of tension in the wire is x × 10$^{-2}$ N. Value of x is ____________. (Round-off to the nearest integer)

Accepted Answer

1215

Question 50

A radiation is emitted by 1000 W bulb and it generates an electric field and magnetic field at P, placed at a distance of 2m. The efficiency of the bulb is 1.25%. The value of peak electric field at P is x × 10$^{-1}$ V/m. Value of x is ____________. (Rounded-off to the nearest integer)
[Take ε$_{0}$ = 8.85×10$^{-12}$ C$^{2}$ N$^{-1}$ m$^{-2}$ , c=3×10$^{8}$ ms$^{-1}$]

Accepted Answer

137

Question 51

The circuit contains two diodes each with a forward resistance of 50Ω and with infinite reverse resistance. If the battery voltage is 6 V, the current through the 120 Ω resistance is ___________ mA.

Accepted Answer

20

Question 52

As shown in the figure, a block of mass $\sqrt{3}$ kg is kept on a horizontal rough surface of coefficient of friction $\frac{1}{3\sqrt{3}}$. The critical force to be applied on the vertical surface as shown at an angle 60° with horizontal such that it does not move, will be 3x. The value of x will be ________.
[g=10m/s$^{2}$; sin 60°=$\frac{\sqrt{3}}{2}$ ; cos 60°=$\frac{1}{2}$]

Accepted Answer

3.33

Question 53

In a series LCR resonant circuit, the quality factor is measured as 100. If the inductance is increased by two fold and resistance is decreased by two fold, then the quality factor after this change will be ____________.

Accepted Answer

282.84

Question 54

In an electrical circuit, a battery is connected to pass 20 C of charge through it in a certain given time. The potential difference between two plates of the battery is maintained at 15 V. The work done by the battery is ____________ J.

Accepted Answer

300

Question 55

A container is divided into two chambers by a partition. The volume of first chamber is 4.5 litre and second chamber is 5.5 litre. The first chamber contain 3.0 moles of gas at pressure 2.0 atm and second chamber contain 4.0 moles of gas at pressure 3.0 atm. After the partition is removed and the mixture attains equilibrium, then, the common equilibrium pressure existing in the mixture is x × 10$^{-1}$ atm. Value of x is _________.

Accepted Answer

25

Question 56

A boy pushes a box of mass 2kg with a force $\vec{F} = \left(20\hat{i} + 10\hat{j}\right)$ N on a frictionless surface. If the box was initially at rest, then ____________m is displacement along the x-axis after 10 s.

Accepted Answer

500

Question 57

The maximum and minimum amplitude of an amplitude modulated wave is 16 V and 8 V respectively. The modulation index for this amplitude modulated wave is x ×10$^{-2}$. The value of x is _________.

Accepted Answer

33

Question 58

A person standing on a spring balance inside a stationary lift measures 60 kg. The weight of that person if the lift descends with uniform downward acceleration of 1.8 m/s$^{2}$ will be ____________ N. [g =10m/s$^{2}$]

Accepted Answer

492

Question 59

A (C$_4$H$_8$Cl$_2$) $\xrightarrow[	ext{373 K}]{	ext{Hydrolysis}}$ B (C$_4$H$_8$O)
B reacts with Hydroxyl amine but does not give Tollen's test. Identify A and B.

Accepted Answer

(B) 2, 2- Dichlorobutane and Butan-2-one

Answer

(A) 1, 1-Dichlorobutane and 2-Butanone

Answer

(C) 2, 2- Dichlorobutane and Butanal

Answer

(D) 1, 1- Dichlorobutane and Butanal

Question 60

Match List-I with List-II.
List –I
(Ore)
(a) Kernite
(b) Cassiterite
(c) Calamine
(d) Cryolite
List-II
(Element Present)
(i) Tin
(ii) Boron
(iii) Fluorine
(iv) Zinc
Choose the most appropriate answer from the option given below :

Accepted Answer

(B) (a) – (ii), (b) – (i), (c) – (iv), (d) – (iii)

Answer

(A) (a) – (ii), (b) – (iv), (c) – (i), (d) – (iii)

Answer

(C) (a) – (i), (b) – (iii), (c) – (iv), (d) – (ii)

Answer

(D) (a) – (iii), (b) – (i), (c) – (ii), (d) – (iv)

Question 61

For the given reaction :
What is 'A' ?

Accepted Answer

(D) (D)

Answer

(A) (A)

Answer

(B) (B)

Answer

(C) (C)

Question 62

The orbital having two radial as well as two angular nodes is

Accepted Answer

(A) 5d

Answer

(B) 4f

Answer

(C) 3p

Answer

(D) 4d

Question 63

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 :

Accepted Answer

(D) Statement I is true but Statement II is false

Answer

(A) Both Statement I and Statement II are false

Answer

(B) Statement I is false but Statement II is true

Answer

(C) Both Statement I and Statement II are true

Question 64

An amine on reaction with benzenesulphonyl chloride produces a compound insoluble in alkaline solution. This amine can be prepared by ammonolysis of ethyl chloride. The correct structure of amine is :

Accepted Answer

(A) (A)

Answer

(B) (B)

Answer

(C) (C)

Answer

(D) (D)

JEE Main 26 February 2021 Shift 1 Question Paper with Answers

Physics — JEE Main 26 February 2021 Shift 1

Chemistry — JEE Main 26 February 2021 Shift 1

Mathematics — JEE Main 26 February 2021 Shift 1

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