NEET UG CHEMISTRY MCQ: HALOALKANES AND HALO ARENES

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Analyzing +4 | -1

Arrange the following carbonyl compounds in increasing order of their reactivity in nucleophilic addition reaction

i) Benaldehyde

\quad

ii) P-Tolualdehyde
iii) P-Nitro benzaldehyde

\quad

iv) Acetophenone

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Correct option: C

iv < ii < i < iii

Option C is correct because electron-withdrawing groups increase the reactivity of carbonyl compounds towards nucleophilic addition, while electron-donating groups decrease it. Steric hindrance also plays a role.

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