JEE Main 2026 — Apr 2, Shift 2 — Chemistry solution

JEE Main2026Apr 2, Shift 2Chemistry

Given below are two statements :

Statement I : In

, the carbocation is stabilised by $+ R$ effect of $-$ OCH $_{3}$ group.

Statement II : In

, the carbanion is stabilised by $- R$ effect of $-$ NO $_{2}$ group.

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

A
Both Statement I and Statement II are true
B
Both Statement I and Statement II are false
C
Statement I is true but Statement II is false
D
Statement I is false but Statement II is true

Solution

$-$ OCH $_{3}$ is an electron-donating group by resonance ( $+ R$ ); through the para position it donates a lone pair toward the benzylic carbon, stabilising the carbocation. Statement I is correct.

$-$ NO $_{2}$ is electron-withdrawing by resonance ( $- R$ ); through the para position it accepts electron density from the benzylic carbon, stabilising the carbanion. Statement II is correct.

Both statements are true.

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