Question

Which of the following compounds is most reactive towards nucleophilic addition reactions?

Answer 1

Answer:

Content:

The carbonyl group in which carbon acquires maximum positive charge will be most reactive towards nucleophilic substitution reaction.So groups showing +I effect will hinder the nucleophilic substitution reaction and -I will help on the other side.

In option a,only one +I effect methyl group is there.In b,two such groups are there,so carbon will have less nucleophilicity as compared to a.

In c,d the polarity of carbon decreases due to resonance shown by the phenyl group.

Hence,a(Ethanal) is most reactive towards nucleophilic substitution reaction.

Answer 2

Answer:

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