Identify the correct order of reactivity of the following towards the nucleophilic substitution.

1 > 3 > 2 > 4

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4 > 3 > 2 > 1

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3 > 1 > 4 > 2

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2 > 3 > 4 > 1

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Solution

The correct option is A 1 > 3 > 2 > 4
As the number of electron-withdrawing groups increases reactivity towards nucleophilic substitution increases .
Since $- N O_{2}$ makes ring active for nucleophilic substitution reaction as it is a stronger electron-withdrawing group.
$1 > 3 > 2 > 4$
Option A is correct.

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C \equiv

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(C H_{3} O^{-})

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