JEE Main 2022 (Online) 30th June Morning Shift

Consider the above reaction sequence. Identify the component A and component B :

Consider the given chemical reaction

Identify the product P.

Choose the reaction which is not possible:

Which among the following will be the major product of the given reaction?

A hydrocarbon 'X' is found to have molar mass of 80. A 10.0 mg of compound 'X' on hydrogenation consumed 8.40 mL of H2 gas (measured at STP). Ozonolysis of compound 'X' yields only formaldehyde and dialdehyde. The total number of fragments/...

The sugar produced after complete hydrolysis of DNA is

Amongst the following, the number of molecule/(s) having net resultant dipole moment is ____________.
NF3, BF3, BeF2, CHCl3, H2S, SiF4, CCl4, PF5

The equilibrium constant for the reversible reaction
2A(g) \(\rightleftharpoons\) 2B(g) + C(g) is K1
\({3 \over 2}\)A(g) \(\rightleftharpoons\) \({3 \over 2}\)B(g) + \({3 \over 4}\)C(g) is K2.
K1 and K2 are related as :

For the reaction P \(\to\) B, the values of frequency factor A and activation energy EA are 4 \(\times\) 1013 s\(-\)1 and 8.3 kJ mol\(-\)1 respectively. If the reaction is of first order, the temperature at which the rate constant is 2 $$\t...

Which one of the following chemicals has not been used for the dry cleaning of clothes?

How many of the following drugs belong to the tranquilizer class _____________ ?
Veronal, Luminal, Propanal, Seconal

Correct formula of the compound which gives a white precipitate with BaCl2 solution, but not with AgNO3 solution, is :

In the following brown complex, the oxidation state of iron is +_____________.
\({[Fe{({H_2}O)_6}]^{2 + }} + NO \to \mathop {{{[Fe{{({H_2}O)}_5}(NO)]}^{2 + }}}\limits_{\text{Brown complex}} + {H_2}O\)

Spin only magnetic moment (\(\mu\)s) of \({K_3}[Fe{(CN)_6}]\) is ____________ B.M.
(Nearest integer)

In which of the following half cells, electrochemical reaction is pH dependent?

A \(\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{}^{573\,K}}\) Red phosphorus \(\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{under\,pressure}^{heat\,;\,803\,K}}\) B
Red phosphorus is obtained by heating "A" at 573 K, and can b...

The correct order of electron gain enthalpy (\(-\) ve value) is :

Match List - I with List - II.

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The reagent neutral ferric chloride is used to detect the presence of ______________

An organic compound with 51.6% sulfur is heated in a Carius tube. The amount of this compound which will form 0.752 g of barium sulphate is ___________ \(\times\) 10\(-\)1 g.
(Given molar mass of barium sulphate 233 g mol\(-\)1) (Nearest in...

Match List - I with List - II :

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Correct statement about alkali metal oxides is :

An element X has a body centred cubic (bcc) structure with a cell edge of 200 pm. The density of the element is 5 g cm\(-\)3. The number of atoms present in 300 g of the element X is _______________.
Given : Avogadro constant, NA = 6.0 $$\t...

For a solution of the gases A, B, C and D in water at 298 K, the values of Henry's law constant (KH) are 30.40, 2.34, 1.56 \(\times\) 10\(-\)5 and 0.513 k bar respectively. In the given graph, the lines marked as 'p' and 's' correspond resp...

Blister copper is produced by reaction of copper oxide with copper sulphide.
2Cu2O + Cu2S \(\to\) 6Cu + SO2
When 2.86 \(\times\) 103 g of Cu2O and 4.77 \(\times\) 103 g of Cu2S are used for reaction, the mass of copper produced is _________...

The number of radial nodes and total number of nodes in 4p orbital respectively are :

TLC analysis of a mixture having 3 components (A, B, C) using silica gel as the stationary phase gave following Rf values; for A = 0.72, B = 0.48, C = 0.20.
Regarding the above observations, which one of the following statements is not corr...

100 mL of 0.3 M acetic acid is shaken with 0.8 g of wood charcoal. The final concentration of acetic acid in the solution after adsorption is 0.125 M. The mass of acetic acid adsorbed per gram of carbon is _____________ \(\times\) 10\(-\)4 ...

\(\Delta\)G\(^\circ\) vs T plot for the formation of MgO, involving reaction 2Mg + O2 \(\to\) 2MgO, will look like :

1.0 mol of monoatomic ideal gas is expanded from state 1 to state 2 as shown in the figure. The magnitude of the work done for the expansion of gas from state 1 to state 2 at 300 K is ____________ J. (Nearest integer)
(Given : R = 8.3 J K$...

The distance of the point (3, 2, \(-\)1) from the plane \(3x - y + 4z + 1 = 0\) along the line \({{2 - x} \over 2} = {{y - 3} \over 2} = {{z + 1} \over 1}\) is equal to :

Consider a triangle ABC whose vertices are A(0, \(\alpha\), \(\alpha\)), B(\(\alpha\), 0, \(\alpha\)) and C(\(\alpha\), \(\alpha\), 0), \(\alpha\) > 0. Let D be a point moving on the line x + z \(-\) 3 = 0 = y and G be the centroid of $$\De...

If xy4 attains maximum value at the point (x, y) on the line passing through the points (50 + \(\alpha\), 0) and (0, 50 + \(\alpha\)), \(\alpha\) > 0, then (x, y) also lies on the line :

Let \(f(x) = 4{x^3} - 11{x^2} + 8x - 5,\,x \in R\). Then f :

A hostel has 100 students. On a certain day (consider it day zero) it was found that two students are infected with some virus. Assume that the rate at which the virus spreads is directly proportional to the product of the number of infecte...

If for some \(\alpha\) > 0, the area of the region \(\{ (x,y):|x + \alpha | \le y \le 2 - |x|\}\) is equal to \({3 \over 2}\), then the area of the region \(\{ (x,y):0 \le y \le x + 2\alpha ,\,|x| \le 1\}\) is equal to ____________.

For two positive real numbers a and b such that \({1 \over {{a^2}}} + {1 \over {{b^3}}} = 4\), then minimum value of the constant term in the expansion of \({\left( {a{x^{{1 \over 8}}} + b{x^{ - {1 \over {12}}}}} \right)^{10}}\) is :

Consider three circles:
\({C_1}:{x^2} + {y^2} = {r^2}\)
\({C_2}:{(x - 1)^2} + {(y - 1)^2} = {r^2}\)
\({C_3}:{(x - 2)^2} + {(y - 1)^2} = {r^2}\)
If a line L : y = mx + c be a common tangent to C1, C2 and C3 such that C1 and C3 lie on one sid...

The real part of the complex number \({{{{(1 + 2i)}^8}\,.\,{{(1 - 2i)}^2}} \over {(3 + 2i)\,.\,\overline {(4 - 6i)} }}\) is equal to :

\(\mathop {\lim }\limits_{n \to \infty } \sum\limits_{r = 1}^n {{r \over {2{r^2} - 7rn + 6{n^2}}}}\) is equal to :

Let \(f(t) = \int\limits_0^t {{e^{{x^3}}}\left( {{{{x^8}} \over {{{({x^6} + 2{x^3} + 2)}^2}}}} \right)dx}\). If \(f(1) + f'(1) = \alpha e - {1 \over 6}\), then the value of 150\(\alpha\) is equal to ___________.

Let \({{dy} \over {dx}} = {{ax - by + a} \over {bx + cy + a}},\,a,b,c \in R\), represents a circle with center (\(\alpha\), \(\beta\)). Then, \(\alpha\) + 2\(\beta\) is equal to :

Let the eccentricity of the ellipse \({x^2} + {a^2}{y^2} = 25{a^2}\) be b times the eccentricity of the hyperbola \({x^2} - {a^2}{y^2} = 5\), where a is the minimum distance between the curves y = ex and y = logex. Then $${a^2} + {1 \over {...

Let m and M respectively be the minimum and the maximum values of \(f(x) = {\sin ^{ - 1}}2x + \sin 2x + {\cos ^{ - 1}}2x + \cos 2x,\,x \in \left[ {0,{\pi \over 8}} \right]\). Then m + M is equal to :

Let \(\alpha = \tan \left( {{{5\pi } \over {16}}\sin \left( {2{{\cos }^{ - 1}}\left( {{1 \over {\sqrt 5 }}} \right)} \right)} \right)\) and $$\beta = \cos \left( {{{\sin }^{ - 1}}\left( {{4 \over 5}} \right) + {{\sec }^{ - 1}}\left( {{5 \...

Suppose \(\mathop {\lim }\limits_{x \to 0} {{F(x)} \over {{x^3}}}\) exists and is equal to L, where
$$F(x) = \left| {\matrix{
{a + \sin {x \over 2}} & { - b\cos x} & 0 \cr
{ - b\cos x} & 0 & {a + \sin {x \over 2}} \cr
0 & {a + ...

The conditional statement
\(((p \wedge q) \to (( \sim p) \vee r)) \vee ((( \sim p) \vee r) \to (p \wedge q))\) is :

Let \(A = \left[ {\matrix{ 1 & { - 2} & \alpha \cr \alpha & 2 & { - 1} \cr } } \right]\) and \(B = \left[ {\matrix{ 2 & \alpha \cr { - 1} & 2 \cr 4 & { - 5} \cr } } \right],\,\alpha \in C\). Then the absolut...

Let A and B be two square matrices of order 2. If \(det\,(A) = 2\), \(det\,(B) = 3\) and \(\det \left( {(\det \,5(det\,A)B){A^2}} \right) = {2^a}{3^b}{5^c}\) for some a, b, c, \(\in\) N, then a + b + c is equal to :

Let PQ be a focal chord of length 6.25 units of the parabola y2 = 4x. If O is the vertex of the parabola, then 10 times the area (in sq. units) of \(\Delta\)POQ is equal to ___________.