Which of the following is an example of nucleophilic addition?

1. 
2. 
3. Both  and 
4. None of the two

Solution

In the reduction of carbonyl group with $\mathrm{L}\mathrm{i}\mathrm{A}\mathrm{l}{\mathrm{H}}_4$ or $\mathrm{N}\mathrm{a}\mathrm{B}{\mathrm{H}}_4$, a hydride ion is transferred from the metal to the carbonyl carbon (nucleophilic addition).

Asked in: MHT CET Full Test 8

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