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$...