JEE Main 2024 (Online) 8th April Morning Shift

Identify the major products A and B respectively in the following set of reactions.

Identify the product (P) in the following reaction:

Which of the following are aromatic?

The number of optical isomers in following compound is : __________.

Given below are two statements :

In the light of the above statements, choose the most appropriate answer from the options given below:

The incorrect statement regarding the given structure is

Match List I with List II

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Number of molecules from the following which are exceptions to octet rule is _________.
$$\mathrm{CO}_2, \mathrm{NO}_2, \mathrm{H}_2 \mathrm{SO}_4, \mathrm{BF}_3, \mathrm{CH}_4, \mathrm{SiF}_4, \mathrm{ClO}_2, \mathrm{PCl}_5, \mathrm{BeF}_2...

For the given hypothetical reactions, the equilibrium constants are as follows :
$$\begin{aligned}
& \mathrm{X} \rightleftharpoons \mathrm{Y} ; \mathrm{K}_1=1.0 \\
& \mathrm{Y} \rightleftharpoons \mathrm{Z} ; \mathrm{K}_2=2.0 \\
& \mathrm{Z...

Consider the following reaction
\(\mathrm{A}+\mathrm{B} \rightarrow \mathrm{C}\)
The time taken for A to become \(1 / 4^{\text {th }}\) of its initial concentration is twice the time taken to become \(1 / 2\) of the same. Also, when the cha...

If \(279 \mathrm{~g}\) of aniline is reacted with one equivalent of benzenediazonium chloride, the maximum amount of aniline yellow formed will be ________ g. (nearest integer)
(consider complete conversion).

Number of amine compounds from the following giving solids which are soluble in \(\mathrm{NaOH}\) upon reaction with Hinsberg's reagent is _________.

An octahedral complex with the formula \(\mathrm{CoCl}_3 \cdot \mathrm{nNH}_3\) upon reaction with excess of \(\mathrm{AgNO}_3\) solution gives 2 moles of \(\mathrm{AgCl}\). Consider the oxidation state of \(\mathrm{Co}\) in the complex is ...

Number of Complexes with even number of electrons in \(\mathrm{t_{2 g}}\) orbitals is -
$$\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+},\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+},\left[\mathrm{...

Match List I with List II

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...

Given below are two statements:
Statement I: \(\mathrm{N}\left(\mathrm{CH}_3\right)_3\) and \(\mathrm{P}\left(\mathrm{CH}_3\right)_3\) can act as ligands to form transition metal complexes.
Statement II: As N and P are from same group, the ...

The 'spin only' magnetic moment value of \(\mathrm{MO}_4{ }^{2-}\) is ________ BM. (Where M is a metal having least metallic radii. among \(\mathrm{Sc}, \mathrm{Ti}, \mathrm{V}, \mathrm{Cr}, \mathrm{Mn}\) and \(\mathrm{Zn}\) ).
(Given atomi...

Iron (III) catalyses the reaction between iodide and persulphate ions, in which
A. \(\mathrm{Fe}^{3+}\) oxidises the iodide ion
B. \(\mathrm{Fe}^{3+}\) oxidises the persulphate ion
C. \(\mathrm{Fe}^{2+}\) reduces the iodide ion
D. $$\mathrm...

Which among the following compounds will undergo fastest SN2 reaction.

In the given compound, the number of 2\(^\circ\) carbon atom/s is ________.

Major product B of the following reaction has ________ \(\pi\)-bond.

Give below are two statements: One is labelled as Assertion A and the other is labelled as Reason R:
Assertion A: The stability order of +1 oxidation state of \(\mathrm{Ga}\), In and \(\mathrm{Tl}\) is Ga < In < Tl.
Reason R: The inert pair...

Among the following halogens
\(\mathrm{F}_2, \mathrm{Cl}_2, \mathrm{Br}_2 \text { and } \mathrm{I}_2\)
Which can undergo disproportionation reactions?

Match List I with List II

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Thiosulphate reacts differently with iodine and bromine in the reactions given below:
$$\begin{aligned}
& 2 \mathrm{~S}_2 \mathrm{O}_3^{2-}+\mathrm{I}_2 \rightarrow \mathrm{S}_4 \mathrm{O}_6^{2-}+2 \mathrm{I}^{-} \\
& \mathrm{S}_2 \mathrm{O...

Match List I with List II

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A solution containing \(10 \mathrm{~g}\) of an electrolyte \(\mathrm{AB}_2\) in \(100 \mathrm{~g}\) of water boils at \(100.52^{\circ} \mathrm{C}\). The degree of ionization of the electrolyte \((\alpha)\) is _________ \(\times 10^{-1}\). (...

Combustion of glucose \((\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6)\) produces \(\mathrm{CO}_2\) and water. The amount of oxygen (in \(\mathrm{g}\)) required for the complete combustion of \(900 \mathrm{~g}\) of glucose is :
[Molar mass of ...

A hypothetical electromagnetic wave is show below.

The frequency of the wave is \(\mathrm{x} \times 10^{19} \mathrm{~Hz}\).
\(\mathrm{x}=\) _________ (nearest integer)

Consider the figure provided.
\(1 \mathrm{~mol}\) of an ideal gas is kept in a cylinder, fitted with a piston, at the position A, at \(18^{\circ} \mathrm{C}\). If the piston is moved to position \(\mathrm{B}\), keeping the temperature unch...