Question:medium

From the following list, identify the number of substituents which exert $+R$ effect when present on benzene ring \[ -Cl,\quad -COCH_3,\quad -NHC_2H_5,\quad -OCH_3,\quad -NHCOCH_3,\quad -COOCH_3 \]

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Common $+R$ groups: \[ -OH,\ -OR,\ -NH_2,\ -NHR,\ -NR_2,\ -Cl,\ -Br \] Common $-R$ groups: \[ -CHO,\ -COR,\ -COOH,\ -COOR,\ -CN,\ -NO_2 \] Lone-pair-containing atoms attached directly to benzene usually show $+R$ effect.

Updated On: Jul 29, 2026

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The Correct Option is D

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From the following list, identify the number of substituents which exert \(+R\) effect when present on benzene ring \[ -Cl,\quad -COCH_3,\quad -NHC_2H_5,\quad -OCH_3,\quad -NHCOCH_3,\quad -COOCH_3 \]

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The Correct Option is D

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