JEE Main 2023 (Online) 11th April Evening Shift

Paper was held on
Tue, Apr 11, 2023 9:30 AM

## Chemistry

Alkali metal from the following with least melting point is :

View Question Given below are two statements :
Statement I : In the metallurgy process, sulphide ore is converted to oxide before redu

View Question Which one of the following pairs is an example of polar molecular solids?

View Question The major product formed in the following reaction is
Choose the correct answer from the options given below :

View Question Compound 'B' is

View Question Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : $$\l

View Question If $$\mathrm{Ni}^{2+}$$ is replaced by $$\mathrm{Pt}^{2+}$$ in the complex $$\left[\mathrm{NiCl}_{2} \mathrm{Br}_{2}\rig

View Question Which of the following compounds is an example of Freon?

View Question Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : A so

View Question Match List I with List II
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View Question What weight of glucose must be dissolved in $$100 \mathrm{~g}$$ of water to lower the vapour pressure by $$0.20 \mathrm{

View Question A solution is prepared by adding $$2 \mathrm{~g}$$ of "$$\mathrm{X}$$" to 1 mole of water. Mass percent of "$$\mathrm{X}

View Question Compound from the following that will not produce precipitate on reaction with $$\mathrm{AgNO}_{3}$$ is :

View Question The magnetic moment is measured in Bohr Magneton (BM).
Spin only magnetic moment of $$\mathrm{Fe}$$ in $$\left[\mathrm{F

View Question Which hydride among the following is less stable?

View Question Given below are two statements :
Statement I : Ethene at 333 to $$343 \mathrm{~K}$$ and $$6$$-$$7$$ atm pressure in the

View Question Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.
In the light of t

View Question One mole of $$\mathrm{P}_{4}$$ reacts with 8 moles of $$\mathrm{SOCl}_{2}$$ to give 4 moles of $$\mathrm{A}, x$$ mole of

View Question For a chemical reaction $$\mathrm{A}+\mathrm{B} \rightarrow$$ Product, the order is 1 with respect to $$\mathrm{A}$$ and

View Question
Product [X] formed in the above reaction is :

View Question The number of possible isomeric products formed when 3-chloro-1-butene reacts with $$\mathrm{HCl}$$ through carbocation

View Question The maximum number of lone pairs of electrons on the central atom from the following species is ____________.
$$\mathrm{

View Question The total number of intensive properties from the following is __________ Volume, Molar heat capacity, Molarity, $$\math

View Question Number of compounds from the following which will not produce orange red precipitate with Benedict solution is _________

View Question The number of correct statements from the following is ___________.
A. For $$1 \mathrm{s}$$ orbital, the probability den

View Question 4.5 moles each of hydrogen and iodine is heated in a sealed ten litre vessel. At equilibrium, 3 moles of $$\mathrm{HI}$$

View Question The number of correct statements from the following is __________
A. $$\mathrm{E_{\text {cell }}}$$ is an intensive para

View Question The number of correct statements about modern adsorption theory of heterogeneous catalysis from the following is _______

View Question $$\mathrm{Mg}\left(\mathrm{NO}_{3}\right)_{2} \cdot \mathrm{XH}_{2} \mathrm{O}$$ and $$\mathrm{Ba}\left(\mathrm{NO}_{3}\

View Question The volume of hydrogen liberated at STP by treating $$2.4 \mathrm{~g}$$ of magnesium with excess of hydrochloric acid is

View Question ## Mathematics

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 e

View Question 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}

View Question The sum of the coefficients of three consecutive terms in the binomial expansion of $$(1+\mathrm{x})^{\mathrm{n}+2}$$, w

View Question If the system of linear equations
$$
\begin{aligned}
& 7 x+11 y+\alpha z=13 \\\\
& 5 x+4 y+7 z=\beta \\\\
& 175 x+194 y+

View Question For $$a \in \mathbb{C}$$, let $$\mathrm{A}=\{z \in \mathbb{C}: \operatorname{Re}(a+\bar{z}) > \operatorname{Im}(\bar{a}+

View Question If the letters of the word MATHS are permuted and all possible words so formed are arranged as in a dictionary with seri

View Question The converse of $$((\sim p) \wedge q) \Rightarrow r$$ is

View Question If four distinct points with position vectors $$\vec{a}, \vec{b}, \vec{c}$$ and $$\vec{d}$$ are coplanar, then $$[\vec{a

View Question Let $$\mathrm{A}=\{1,3,4,6,9\}$$ and $$\mathrm{B}=\{2,4,5,8,10\}$$. Let $$\mathrm{R}$$ be a relation defined on $$\mathr

View Question Let the line passing through the points $$\mathrm{P}(2,-1,2)$$ and $$\mathrm{Q}(5,3,4)$$ meet the plane $$x-y+z=4$$ at t

View Question If the $$1011^{\text {th }}$$ term from the end in the binominal expansion of $$\left(\frac{4 x}{5}-\frac{5}{2 x}\right)

View Question $$\left|\begin{array}{ccc}x+1 & x & x \\ x & x+\lambda & x \\ x & x & x+\lambda^{2}\end{array}\right|=\frac{9}{8}(103 x+

View Question Let the mean of 6 observations $$1,2,4,5, \mathrm{x}$$ and $$\mathrm{y}$$ be 5 and their variance be 10 .
Then their me

View Question If $$f: \mathbb{R} \rightarrow \mathbb{R}$$ be a continuous function satisfying $$\int_\limits{0}^{\frac{\pi}{2}} f(\sin

View Question Let $$f$$ and $$g$$ be two functions defined by
$$f(x)=\left\{\begin{array}{cc}x+1, & x
Then $$(g \circ f)(x)$$ is :

View Question Let $$y=y(x)$$ be the solution of the differential equation $$\frac{d y}{d x}+\frac{5}{x\left(x^{5}+1\right)} y=\frac{\l

View Question Let the function $$f:[0,2] \rightarrow \mathbb{R}$$ be defined as
$$f(x)= \begin{cases}e^{\min \left\{x^{2}, x-[x]\right

View Question 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

View Question The angle of elevation of the top $$\mathrm{P}$$ of a tower from the feet of one person standing due South of the tower

View Question The domain of the function $$f(x)=\frac{1}{\sqrt{[x]^{2}-3[x]-10}}$$ is : ( where $$[\mathrm{x}]$$ denotes the greatest

View Question 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 tha

View Question Let the line $$l: x=\frac{1-y}{-2}=\frac{z-3}{\lambda}, \lambda \in \mathbb{R}$$ meet the plane $$P: x+2 y+3 z=4$$ at th

View Question Let $$\mathrm{A}=\{1,2,3,4,5\}$$ and $$\mathrm{B}=\{1,2,3,4,5,6\}$$. Then the number of functions $$f: \mathrm{A} \right

View Question For $$k \in \mathbb{N}$$, if the sum of the series $$1+\frac{4}{k}+\frac{8}{k^{2}}+\frac{13}{k^{3}}+\frac{19}{k^{4}}+\ld

View Question Let the tangent to the parabola $$\mathrm{y}^{2}=12 \mathrm{x}$$ at the point $$(3, \alpha)$$ be perpendicular to the li

View Question Let the probability of getting head for a biased coin be $$\frac{1}{4}$$. It is tossed repeatedly until a head appears.

View Question If A is the area in the first quadrant enclosed by the curve $$\mathrm{C: 2 x^{2}-y+1=0}$$, the tangent to $$\mathrm{C}$

View Question Let $$\mathrm{S}=\left\{z \in \mathbb{C}-\{i, 2 i\}: \frac{z^{2}+8 i z-15}{z^{2}-3 i z-2} \in \mathbb{R}\right\}$$. If $

View Question If the line $$l_{1}: 3 y-2 x=3$$ is the angular bisector of the lines $$l_{2}: x-y+1=0$$ and $$l_{3}: \alpha x+\beta y+1

View Question The number of points, where the curve $$f(x)=\mathrm{e}^{8 x}-\mathrm{e}^{6 x}-3 \mathrm{e}^{4 x}-\mathrm{e}^{2 x}+1, x

View Question ## Physics

The current flowing through R$$_2$$ is :

View Question A plane electromagnetic wave of frequency $$20 ~\mathrm{MHz}$$ propagates in free space along $$\mathrm{x}$$-direction.

View Question An electron is allowed to move with constant velocity along the axis of current carrying straight solenoid.
A. The elect

View Question A car P travelling at $$20 \mathrm{~ms}^{-1}$$ sounds its horn at a frequency of $$400 \mathrm{~Hz}$$. Another car $$\ma

View Question The Thermodynamic process, in which internal energy of the system remains constant is

View Question Given below are two statements: one is labelled as Assertion $$\mathbf{A}$$ and the other is labelled as Reason $$\mathb

View Question The energy of $$\mathrm{He}^{+}$$ ion in its first excited state is, (The ground state energy for the Hydrogen atom is $

View Question When one light ray is reflected from a plane mirror with $$30^{\circ}$$ angle of reflection, the angle of deviation of t

View Question A capacitor of capacitance $$\mathrm{C}$$ is charged to a potential V. The flux of the electric field through a closed s

View Question The ratio of the de-Broglie wavelengths of proton and electron having same Kinetic energy :
(Assume $$m_{p}=m_{e} \times

View Question Eight equal drops of water are falling through air with a steady speed of $$10 \mathrm{~cm} / \mathrm{s}$$. If the drops

View Question The logic operations performed by the given digital circuit is equivalent to:

View Question A projectile is projected at $$30^{\circ}$$ from horizontal with initial velocity $$40 \mathrm{~ms}^{-1}$$. The velocity

View Question A body of mass $$500 \mathrm{~g}$$ moves along $$\mathrm{x}$$-axis such that it's velocity varies with displacement $$\m

View Question In satellite communication, the uplink frequency band used is :

View Question A space ship of mass $$2 \times 10^{4} \mathrm{~kg}$$ is launched into a circular orbit close to the earth surface. The

View Question When vector $$\vec{A}=2 \hat{i}+3 \hat{j}+2 \hat{k}$$ is subtracted from vector $$\overrightarrow{\mathrm{B}}$$, it give

View Question If force (F), velocity (V) and time (T) are considered as fundamental physical quantity, then dimensional formula of den

View Question If $$\mathrm{V}$$ is the gravitational potential due to sphere of uniform density on it's surface, then it's value at th

View Question The root mean square speed of molecules of nitrogen gas at $$27^{\circ} \mathrm{C}$$ is approximately : (Given mass of a

View Question As shown in the figure, a plane mirror is fixed at a height of $$50 \mathrm{~cm}$$ from the bottom of tank containing wa

View Question A circular plate is rotating in horizontal plane, about an axis passing through its center and perpendicular to the plat

View Question The surface tension of soap solution is $$3.5 \times 10^{-2} \mathrm{~Nm}^{-1}$$. The amount of work done required to in

View Question A wire of density $$8 \times 10^{3} \mathrm{~kg} / \mathrm{m}^{3}$$ is stretched between two clamps $$0.5 \mathrm{~m}$$

View Question A metallic cube of side $$15 \mathrm{~cm}$$ moving along $$y$$-axis at a uniform velocity of $$2 \mathrm{~ms}^{-1}$$. In

View Question A nucleus disintegrates into two nuclear parts, in such a way that ratio of their nuclear sizes is $$1: 2^{1 / 3}$$. The

View Question A block of mass $$5 \mathrm{~kg}$$ starting from rest pulled up on a smooth incline plane making an angle of $$30^{\circ

View Question In the given circuit, $$\mathrm{C}_{1}=2 \mu \mathrm{F}, \mathrm{C}_{2}=0.2 \mu \mathrm{F}, \mathrm{C}_{3}=2 \mu \mathrm

View Question A coil has an inductance of $$2 \mathrm{H}$$ and resistance of $$4 ~\Omega$$. A $$10 \mathrm{~V}$$ is applied across the

View Question Two identical cells each of emf $$1.5 \mathrm{~V}$$ are connected in series across a $$10 ~\Omega$$ resistance. An ideal

View Question