Question

Rank the following in terms of decreasing nucleophilicity:

a) CH3COO- CH3OH CH3O- CH3COOH CN-

b) CH3COO CH3O- CH3S- CH3SH CH3OH​

Answer 1

Answer:

Option (a) is  more nucleophilic than option (b) as CN- is electron releasing group. So the answer is a>b.