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The decreasing order of nucleophilicity ...

The decreasing order of nucleophilicity among the nucleophiles
is

A

(1),(2),(3),(4)

B

(4),(3),(2),(1)

C

(2),(3),(1),(4)

D

(3,(2),(1),(4)

Text Solution

Verified by Experts

The correct Answer is:
D
Because of lower electronegativity of C over O, `CN^(-)` is a better nucleophile than methoxide ion, among acetate ion and p-toluenesulphonate ion, because of smaller resonance stabilization, `CH_(3)COO^(-)` is a better nucleophile than p-toluene-sulphonate ion.
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