JEE Main 2023 (Online) 15th April Morning Shift

Paper was held on
Sat, Apr 15, 2023 3:30 AM

## Chemistry

During water-gas shift reaction

View Question The complex with highest magnitude of crystal field splitting energy $\left(\Delta_{0}\right)$ is :

View Question The major product formed in the Friedel-Craft acylation of chlorobenzene is

View Question The number of $\mathrm{P}-\mathrm{O}-\mathrm{P}$ bonds in $\mathrm{H}_{4} \mathrm{P}_{2} \mathrm{O}_{7},\left(\mathrm{HP

View Question Which of the following statement is correct for paper chromatography?

View Question Which is not true for arginine?

View Question Consider the following sequence of reactions:
The product ' $\mathrm{B}$ ' is

View Question Given below are two statements:
Statement I : According to Bohr's model of hydrogen atom, the angular momentum of an el

View Question Which of the following statement(s) is/are correct?
(A) The $\mathrm{pH}$ of $1 \times 10^{-8}~ \mathrm{M} ~\mathrm{HCl}

View Question Consider the following statements:
(A) NF3 molecule has a trigonal planar structure.
(B) Bond length of $\mathrm{N}_{2

View Question
In the above conversion the correct sequence of reagents to be added is

View Question
'A' formed in the above reaction is

View Question The product formed in the following multistep reaction is :

View Question Decreasing order of reactivity towards electrophilic substitution for the following compounds is :

View Question For a reversible reaction $\mathrm{A} \rightleftharpoons \mathrm{B}$, the $\Delta \mathrm{H}_{\text{forward reaction}} =

View Question The volume (in $\mathrm{mL}$) of $0.1 \mathrm{M} ~\mathrm{AgNO}_{3}$ required for complete precipitation of chloride ion

View Question The number of correct statements from the following is _______.
(A) Conductivity always decreases with decrease in conce

View Question In Chromyl chloride, the oxidation state of chromium is $(+)$ _______________.

View Question The vapour pressure of $30 \%(\mathrm{w} / \mathrm{v})$ aqueous solution of glucose is __________ $\mathrm{mm} ~\mathrm{

View Question $30.4 \mathrm{~kJ}$ of heat is required to melt one mole of sodium chloride and the entropy change at the melting point

View Question The total change in the oxidation state of manganese involved in the reaction of $\mathrm{KMnO}_{4}$ and potassium iodid

View Question The homoleptic and octahedral complex of $\mathrm{Co}^{2+}$ and $\mathrm{H}_{2} \mathrm{O}$ has ___________ unpaired ele

View Question The total number of isoelectronic species from the given set is ___________.
$\mathrm{O}^{2-}, \mathrm{F}^{-}, \mathrm{A

View Question ## Mathematics

Let $x=x(y)$ be the solution of the differential equation
$2(y+2) \log _{e}(y+2) d x+\left(x+4-2 \log _{e}(y+2)\right)

View Question If $\int\limits_{0}^{1} \frac{1}{\left(5+2 x-2 x^{2}\right)\left(1+e^{(2-4 x)}\right)} d x=\frac{1}{\alpha} \log _{e}\le

View Question The total number of three-digit numbers, divisible by 3, which can be formed using the digits $1,3,5,8$, if repetition o

View Question Let $\mathrm{ABCD}$ be a quadrilateral. If $\mathrm{E}$ and $\mathrm{F}$ are the mid points of the diagonals $\mathrm{AC

View Question If the domain of the function
$f(x)=\log _{e}\left(4 x^{2}+11 x+6\right)+\sin ^{-1}(4 x+3)+\cos ^{-1}\left(\frac{10 x+6

View Question Let $[x]$ denote the greatest integer function and $f(x)=\max \{1+x+[x], 2+x, x+2[x]\}, 0 \leq x \leq 2$. Let $m$ be the

View Question The mean and standard deviation of 10 observations are 20 and 8 respectively. Later on, it was observed that one observa

View Question Let $\left(a+b x+c x^{2}\right)^{10}=\sum\limits_{i=0}^{20} p_{i} x^{i}, a, b, c \in \mathbb{N}$. If $p_{1}=20$ and $p_{

View Question A bag contains 6 white and 4 black balls. A die is rolled once and the number of balls equal to the number obtained on t

View Question The number of real roots of the equation $x|x|-5|x+2|+6=0$, is :

View Question If $(\alpha, \beta)$ is the orthocenter of the triangle $\mathrm{ABC}$ with vertices $A(3,-7), B(-1,2)$ and $C(4,5)$, th

View Question Let $A_{1}$ and $A_{2}$ be two arithmetic means and $G_{1}, G_{2}, G_{3}$ be three geometric means of two distinct posit

View Question Let $\mathrm{S}$ be the set of all values of $\lambda$, for which the shortest distance between the lines $\frac{x-\lamb

View Question If the set $\left\{\operatorname{Re}\left(\frac{z-\bar{z}+z \bar{z}}{2-3 z+5 \bar{z}}\right): z \in \mathbb{C}, \operato

View Question A person forgets his 4-digit ATM pin code. But he remembers that in the code all the digits are different, the greatest

View Question Let an ellipse with centre $(1,0)$ and latus rectum of length $\frac{1}{2}$ have its major axis along $\mathrm{x}$-axis.

View Question If the area bounded by the curve $2 y^{2}=3 x$, lines $x+y=3, y=0$ and outside the circle $(x-3)^{2}+y^{2}=2$ is $\mathr

View Question Let $f(x)=\int \frac{d x}{\left(3+4 x^{2}\right) \sqrt{4-3 x^{2}}},|x| and $f(1)=\frac{1}{\alpha \beta} \tan ^{-1}\left(

View Question Consider the triangles with vertices $A(2,1), B(0,0)$ and $C(t, 4), t \in[0,4]$.
If the maximum and the minimum perimet

View Question The number of elements in the set $\left\{n \in \mathbb{N}: 10 \leq n \leq 100\right.$ and $3^{n}-3$ is a multiple of 7$

View Question Let $A=\{1,2,3,4\}$ and $\mathrm{R}$ be a relation on the set $A \times A$ defined by $R=\{((a, b),(c, d)): 2 a+3 b=4 c+

View Question ## Physics

A wire of length ' $L$ ' and radius ' $r$ ' is clamped rigidly at one end. When the other end of the wire is pulled by a

View Question The position of a particle related to time is given by $x=\left(5 t^{2}-4 t+5\right) \mathrm{m}$. The magnitude of veloc

View Question The electric field due to a short electric dipole at a large distance $(r)$ from center of dipole on the equatorial plan

View Question In the given circuit, the current (I) through the battery will be

View Question The de Broglie wavelength of an electron having kinetic energy $\mathrm{E}$ is $\lambda$. If the kinetic energy of elect

View Question In a linear Simple Harmonic Motion (SHM)
(A) Restoring force is directly proportional to the displacement.
(B) The ac

View Question Two identical particles each of mass ' $m$ ' go round a circle of radius $a$ under the action of their mutual gravitatio

View Question A single slit of width $a$ is illuminated by a monochromatic light of wavelength $600 \mathrm{~nm}$. The value of ' $a$

View Question The position vector of a particle related to time $t$ is given by
$\vec{r}=\left(10 t \hat{i}+15 t^{2} \hat{j}+7 \hat{k

View Question A body is released from a height equal to the radius $(\mathrm{R})$ of the earth. The velocity of the body when it strik

View Question A vector in $x-y$ plane makes an angle of $30^{\circ}$ with $y$-axis. The magnitude of $\mathrm{y}$-component of vector

View Question The speed of a wave produced in water is given by $v=\lambda^{a} g^{b} \rho^{c}$. Where $\lambda, g$ and $\rho$ are wave

View Question For designing a voltmeter of range $50 \mathrm{~V}$ and an ammeter of range $10 \mathrm{~mA}$ using a galvanometer which

View Question A thermodynamic system is taken through cyclic process. The total work done in the process is :

View Question Given below are two statements:
Statement I : The equivalent resistance of resistors in a series combination is smaller

View Question Match List I with List II of Electromagnetic waves with corresponding wavelength range :
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View Question A flask contains Hydrogen and Argon in the ratio $2: 1$ by mass. The temperature of the mixture is $30^{\circ} \mathrm{C

View Question $12 \mathrm{~V}$ battery connected to a coil of resistance $6 \Omega$ through a switch, drives a constant current in the

View Question An electron in a hydrogen atom revolves around its nucleus with a speed of $6.76 \times 10^6 \mathrm{~ms}^{-1}$ in an or

View Question The fundamental frequency of vibration of a string stretched between two rigid support is $50 \mathrm{~Hz}$. The mass of

View Question In the given figure the total charge stored in the combination of capacitors is $100~ \mu \mathrm{C}$. The value of ' $x

View Question As per given figure $A, B$ and $C$ are the first, second and third excited energy levels of hydrogen atom respectively.

View Question The refractive index of a transparent liquid filled in an equilateral hollow prism is $\sqrt{2}$. The angle of minimum d

View Question A block of mass $10 \mathrm{~kg}$ is moving along $\mathrm{x}$-axis under the action of force $F=5 x~ N$. The work done

View Question A network of four resistances is connected to $9 \mathrm{~V}$ battery, as shown in figure. The magnitude of voltage diff

View Question A $20 \mathrm{~cm}$ long metallic rod is rotated with $210~ \mathrm{rpm}$ about an axis normal to the rod passing throug

View Question There is an air bubble of radius $1.0 \mathrm{~mm}$ in a liquid of surface tension $0.075~ \mathrm{Nm}^{-1}$ and density

View Question A solid sphere and a solid cylinder of same mass and radius are rolling on a horizontal surface without slipping. The ra

View Question