Question

Decreasing order of nucleophilicityof given species in ethanol pho-i-eto-phs-​

Answer 1

Explanation:

Nucleophilicity is measured by relative rate of reaction and how fast an electron pair donor reacts with atom which is bearing leaving group.

EtO

−

>OH

−

>CH

3

O

−

>CH

3

S

−

Then,

Option A is correct answer