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Consider the above reaction. The number of \( \pi \) electrons present in the product ‘P’ is __________.

In which of the following pairs, electron gain enthalpies of constituent elements are nearly the same or identical?
(a) Rb and Cs (b) Na and K
(c) Ar and Kr (d) I and At
Choose the correct answer form the options given below:

Match List –I with List –II

Choose the correct answer form the options given below:

Product ‘A’ of following sequence of reactions is

Two isomers \( (A) \) and \( (B) \) with Molar mass \( 184 \, \mathrm{g/mol} \) and elemental composition \( \mathrm{C}, 52.2\% ; \mathrm{H}, 4.9\% \) and \( \mathrm{Br}, 42.9\% \) gave benzoic acid and \( p \)-bromobenzoic acid, respectively on oxidation with \( \mathrm{KMnO_4} \). Isomer \( 'A' \) is optically active and gives a pale yellow precipitate when warmed with alcoholic \( \mathrm{AgNO_3} \). Isomer \( 'A' \) and \( 'B' \) are, respectively.

The major product of the following reaction is:

Identify the correct statement for the below given transformation.

Considering the above reactions, the compound ‘A’ and compound ‘B’ respectively are:

Correct structure of \( \gamma \)-methylcyclohexane carbaldehyde is:

Which reactant will give the following alcohol on reaction with one mole of phenyl magnesium bromide (\( \mathrm{PhMgBr} \)) followed by acidic hydrolysis?

In the below reaction product \( \mathrm{B} \) is:

Compound ‘A’ undergoes following sequence of reactions to give compound ‘B’ The correct structure and chirality of compound ‘B’ is:

Compound ‘A’

\( \text{CH}_3-\text{CH}_2-\text{CN} \xrightarrow[\text{Ether}]{\text{CH}_3\text{MgBr}} A \xrightarrow{\text{H}_3\text{O}^+} B \xrightarrow[\text{HCl}]{\text{Zn–Hg}} C \)
The correct structure of \( C \) is:

The major product of the following reaction contains __________ bromine atoms(s).

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JEE Main 2022 29th July Evening shift

Correct structure of \( \gamma \)-methylcyclohexane carbaldehyde is: