JEE Main 2023 (Online) 6th April Evening Shift

Paper was held on
Thu, Apr 6, 2023 9:30 AM

## Chemistry

Formation of which complex, among the following, is not a confirmatory test of $$\mathrm{Pb}^{2+}$$ ions :

View Question Element not present in Nessler's reagent is :

View Question Consider the following reaction that goes from A to B in three steps as shown below:
Choose the correct option

View Question Find out the major product from the following reaction.

View Question If the radius of the first orbit of hydrogen atom is $$\alpha_{0}$$, then de Broglie's wavelength of electron in $$3^{\t

View Question The product, which is not obtained during the electrolysis of brine solution is :

View Question Which one of the following elements will remain as liquid inside pure boiling water?

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

View Question Group-13 elements react with $$\mathrm{O}_{2}$$ in amorphous form to form oxides of type $$\mathrm{M}_{2} \mathrm{O}_{3}

View Question During the reaction of permanganate with thiosulphate, the change in oxidation of manganese occurs by value of 3. Identi

View Question In the following reaction, 'B' is

View Question The IUPAC name of $$\mathrm{K}_{3}\left[\mathrm{Co}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]$$ is:-

View Question The strongest acid from the following is

View Question Match List I with List II
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View Question From the figure of column chromatography given below, identify incorrect statements.
A. Compound 'c' is more polar than

View Question Ion having highest hydration enthalpy among the given alkaline earth metal ions is :

View Question Structures of $$\mathrm{BeCl}_{2}$$ in solid state, vapour phase and at very high temperature respectively are :

View Question The group of chemicals used as pesticide is :

View Question Given below are two statements:
Statement I: Morphine is a narcotic analgesic. It helps in relieving pain without produc

View Question The volume of $$0.02 ~\mathrm{M}$$ aqueous $$\mathrm{HBr}$$ required to neutralize $$10.0 \mathrm{~mL}$$ of $$0.01 ~\mat

View Question The number of species having a square planar shape from the following is __________.
$$\mathrm{XeF}_{4}, \mathrm{SF}_{4}

View Question The standard reduction potentials at $$298 \mathrm{~K}$$ for the following half cells are given below:
$$\mathrm{NO}_{3}

View Question Consider the following data
Heat of combustion of $$\mathrm{H}_{2}(\mathrm{g})\quad\quad=-241.8 \mathrm{~kJ} \mathrm{~mo

View Question Number of isomeric aromatic amines with molecular formula $$\mathrm{C}_{8} \mathrm{H}_{11} \mathrm{~N}$$, which can be s

View Question The number of colloidal systems from the following, which will have 'liquid' as the dispersion medium, is ___________.
G

View Question The equilibrium composition for the reaction $$\mathrm{PCl}_{3}+\mathrm{Cl}_{2} \rightleftharpoons \mathrm{PCl}_{5}$$ at

View Question In an ice crystal, each water molecule is hydrogen bonded to ____________ neighbouring molecules.

View Question Among the following, the number of compounds which will give positive iodoform reaction is _________
(a) 1-Phenylbutan-2

View Question Number of crystal systems from the following where body centred unit cell can be found, is ____________.
Cubic, tetragon

View Question Consider the following pairs of solution which will be isotonic at the same temperature. The number of pairs of solution

View Question ## Mathematics

If the coefficient of $${x^7}$$ in $${\left( {a{x^2} + {1 \over {2bx}}} \right)^{11}}$$ and $${x^{ - 7}}$$ in $${\left(

View Question The area bounded by the curves $$y=|x-1|+|x-2|$$ and $$y=3$$ is equal to :

View Question All the letters of the word PUBLIC are written in all possible orders and these words are written as in a dictionary wi

View Question A plane P contains the line of intersection of the plane $$\vec{r} \cdot(\hat{i}+\hat{j}+\hat{k})=6$$ and $$\vec{r} \cdo

View Question If $$\operatorname{gcd}~(\mathrm{m}, \mathrm{n})=1$$ and $$1^{2}-2^{2}+3^{2}-4^{2}+\ldots . .+(2021)^{2}-(2022)^{2}+(20

View Question Let $$a \neq b$$ be two non-zero real numbers. Then the number of elements in the set $$X=\left\{z \in \mathbb{C}: \oper

View Question Let $$P$$ be a square matrix such that $$P^{2}=I-P$$. For $$\alpha, \beta, \gamma, \delta \in \mathbb{N}$$, if $$P^{\alp

View Question Among the statements :
(S1) : $$2023^{2022}-1999^{2022}$$ is divisible by 8
(S2) : $$13(13)^{n}-12 n-13$$ is divisible b

View Question If the solution curve $$f(x, y)=0$$ of the differential equation
$$\left(1+\log _{e} x\right) \frac{d x}{d y}-x \log _{

View Question Let the vectors $$\vec{a}, \vec{b}, \vec{c}$$ represent three coterminous edges of a parallelopiped of volume V. Then th

View Question If the tangents at the points $$\mathrm{P}$$ and $$\mathrm{Q}$$ on the circle $$x^{2}+y^{2}-2 x+y=5$$ meet at the point

View Question Let $$f(x)$$ be a function satisfying $$f(x)+f(\pi-x)=\pi^{2}, \forall x \in \mathbb{R}$$. Then $$\int_\limits{0}^{\pi}

View Question Among the statements
(S1) : $$(p \Rightarrow q) \vee((\sim p) \wedge q)$$ is a tautology
(S2) : $$(q \Rightarrow p) \Rig

View Question Let the line $$\mathrm{L}$$ pass through the point $$(0,1,2)$$, intersect the line $$\frac{x-1}{2}=\frac{y-2}{3}=\frac{z

View Question $$\lim _\limits{n \rightarrow \infty}\left\{\left(2^{\frac{1}{2}}-2^{\frac{1}{3}}\right)\left(2^{\frac{1}{2}}-2^{\frac{1

View Question In a group of 100 persons 75 speak English and 40 speak Hindi. Each person speaks at least one of the two languages. If

View Question The sum of all values of $$\alpha$$, for which the points whose position vectors are $$\hat{i}-2 \hat{j}+3 \hat{k}, 2 \h

View Question Three dice are rolled. If the probability of getting different numbers on the three dice is $$\frac{p}{q}$$, where $$p$$

View Question For the system of equations
$$x+y+z=6$$
$$x+2 y+\alpha z=10$$
$$x+3 y+5 z=\beta$$, which one of the following is NOT tru

View Question Let the sets A and B denote the domain and range respectively of the function $$f(x)=\frac{1}{\sqrt{\lceil x\rceil-x}}$$

View Question If the mean and variance of the frequency distribution
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View Question Let the eccentricity of an ellipse $$\frac{x^{2}}{a^{2}}+\frac{y^{2}}{b^{2}}=1$$ is reciprocal to that of the hyperbola

View Question The number of 4-letter words, with or without meaning, each consisting of 2 vowels and 2 consonants, which can be formed

View Question Let a curve $$y=f(x), x \in(0, \infty)$$ pass through the points $$P\left(1, \frac{3}{2}\right)$$ and $$Q\left(a, \frac{

View Question The value of $$\tan 9^{\circ}-\tan 27^{\circ}-\tan 63^{\circ}+\tan 81^{\circ}$$ is __________.

View Question For $$\alpha, \beta, z \in \mathbb{C}$$ and $$\lambda > 1$$, if $$\sqrt{\lambda-1}$$ is the radius of the circle $$|z-\a

View Question If the lines $$\frac{x-1}{2}=\frac{2-y}{-3}=\frac{z-3}{\alpha}$$ and $$\frac{x-4}{5}=\frac{y-1}{2}=\frac{z}{\beta}$$ int

View Question If
$$(20)^{19}+2(21)(20)^{18}+3(21)^{2}(20)^{17}+\ldots+20(21)^{19}=k(20)^{19}$$,
then $$k$$ is equal to ___________.

View Question The number of points, where the curve $$y=x^{5}-20 x^{3}+50 x+2$$ crosses the $$\mathrm{x}$$-axis, is ____________.

View Question Let $$f(x)=\frac{x}{\left(1+x^{n}\right)^{\frac{1}{n}}}, x \in \mathbb{R}-\{-1\}, n \in \mathbb{N}, n > 2$$.
If $$f^{n}(

View Question ## Physics

A particle starts with an initial velocity of $$10.0 \mathrm{~ms}^{-1}$$ along $$x$$-direction and accelerates uniformly

View Question Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: The ph

View Question The temperature of an ideal gas is increased from $$200 \mathrm{~K}$$ to $$800 \mathrm{~K}$$. If r.m.s. speed of gas at

View Question The energy density associated with electric field $$\vec{E}$$ and magnetic field $$\vec{B}$$ of an electromagnetic wave

View Question A 2 meter long scale with least count of $$0.2 \mathrm{~cm}$$ is used to measure the locations of objects on an optical

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

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

View Question A capacitor of capacitance $$150.0 ~\mu \mathrm{F}$$ is connected to an alternating source of emf given by $$\mathrm{E}=

View Question Figure shows a part of an electric circuit. The potentials at points $$a, b$$ and $$c$$ are $$30 \mathrm{~V}, 12 \mathrm

View Question As shown in the figure, a particle is moving with constant speed $$\pi ~\mathrm{m} / \mathrm{s}$$. Considering its motio

View Question The work functions of Aluminium and Gold are $$4.1 ~\mathrm{eV}$$ and and $$5.1 ~\mathrm{eV}$$ respectively. The ratio o

View Question A body cools in 7 minutes from $$60^{\circ} \mathrm{C}$$ to $$40^{\circ} \mathrm{C}$$. The temperature of the surroundin

View Question A dipole comprises of two charged particles of identical magnitude $$q$$ and opposite in nature. The mass 'm' of the pos

View Question The ratio of speed of sound in hydrogen gas to the speed of sound in oxygen gas at the same temperature is:

View Question A student is provided with a variable voltage source $$\mathrm{V}$$, a test resistor $$R_{T}=10 ~\Omega$$, two identical

View Question A small particle of mass $$m$$ moves in such a way that its potential energy $$U=\frac{1}{2} m ~\omega^{2} r^{2}$$ where

View Question A child of mass $$5 \mathrm{~kg}$$ is going round a merry-go-round that makes 1 rotation in $$3.14 \mathrm{~s}$$. The ra

View Question The weight of a body on the surface of the earth is $$100 \mathrm{~N}$$. The gravitational force on it when taken at a h

View Question For an amplitude modulated wave the minimum amplitude is $$3 \mathrm{~V}$$, while the modulation index is $$60 \%$$. The

View Question Choose the incorrect statement from the following:

View Question Experimentally it is found that $$12.8 ~\mathrm{eV}$$ energy is required to separate a hydrogen atom into a proton and a

View Question Two concentric circular coils with radii $$1 \mathrm{~cm}$$ and $$1000 \mathrm{~cm}$$, and number of turns 10 and 200 re

View Question As shown in the figure, two parallel plate capacitors having equal plate area of $$200 \mathrm{~cm}^{2}$$ are joined in

View Question A body is dropped on ground from a height '$$h_{1}$$' and after hitting the ground, it rebounds to a height '$$h_{2}$$'.

View Question As shown in the figure, the voltmeter reads $$2 \mathrm{~V}$$ across $$5 ~\Omega$$ resistor. The resistance of the voltm

View Question A proton with a kinetic energy of $$2.0 ~\mathrm{eV}$$ moves into a region of uniform magnetic field of magnitude $$\fra

View Question A simple pendulum with length $$100 \mathrm{~cm}$$ and bob of mass $$250 \mathrm{~g}$$ is executing S.H.M. of amplitude

View Question A metal block of mass $$\mathrm{m}$$ is suspended from a rigid support through a metal wire of diameter $$14 \mathrm{~mm

View Question A ring and a solid sphere rotating about an axis passing through their centers have same radii of gyration. The axis of

View Question A beam of light consisting of two wavelengths $$7000~\mathop A\limits^o $$ and $$5500~\mathop A\limits^o $$ is used to o

View Question