The decreasing order of reactivity of tert-butyl bromide (I), sec-butyl bromide (II) and n-butyl bromide (III) with alcoholic `AgNO_(3)` is

Options

A. I gt II gt III
B. III gt II gt I
C. II gt III gt I
D. I gt III gt II

Answer

A

Explanation

`Ag^(+)` catalysis `S_(N^(1))` reaction, therefore order is `3^(@)gt 2^(@)gt 1^(@)` .