Which of the following is a strongest base a weak nucleophile

Options

A. `CH_3O^-`
B. `CH_3CH_2O^-`
C. `(CH_3)_2CHO^- `
D. `(CH_3)_3CO^- `

Answer

D

Explanation

Acidity of alcohols is in the order `CH_3OH gt 1^@ gt 2^@ gt 3^@` hence `3^@` alcohol is weakly acidic strong basic hence is a weak nucleophilc