The increasing order of the rate of nucleophi | vedclass

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(B) The rate of nucleophilic aromatic substitution is increased by the presence of electron-withdrawing groups $(EWG)$ on the benzene ring, as they st

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$II < I < III < IV$

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(B) The rate of nucleophilic aromatic substitution is increased by the presence of electron-withdrawing groups $(EWG)$ on the benzene ring, as they stabilize the intermediate carbanion (Meisenheimer complex).$II$ has a $-OCH_3$ group, which is an electron-donating group $(EDG)$ via resonance, thus it decreases the rate of nucleophilic substitution compared to chlorobenzene $(I)$.$III$ has one $-NO_2$ group (a strong $EWG$), which increases the rate compared to $I$.$IV$ has two $-NO_2$ groups, which further increase the rate compared to $III$.Therefore, the increasing order of reactivity is: $II < I < III < IV$.

The increasing order of the rate of nucleophilic substitution reaction for the following compounds is:

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