(i) (c) < (b) < (a)

(ii) (b) < (c) < (a)

(iii) (a) < (c) < (b)

(iv) (a) < (b) < (c)

<p><span data-teams="true">This is a multiple choice answer as classified in NCERT Exemplar</span></p><p>The Correct Answer is option (iv).</p><p> (<strong>&nbsp;- NO₂</strong>) is an electron-withdrawing group that induces nucleophilic substitution when it is in the ortho and para positions. When this identical electron-drawing group is in the meta position, its impact is much reduced. The reactivity of aryl halides rises as the number of electron-withdrawing groups increases. As a result, the greater the number of electron-drawing groups, the greater the rate of nucleophilic substitution.</p>

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