Which statement is correct about the following reactions ?
.

Options

A. Major product is (I) and minor
product is (II) by `SN^(1)` mechanism.
B. Major product is `(I)` and minor product is `(II)` by `SN^2` mechanism.
C. Major product is `(II)` and minor product is `(I)` by `SN^1` mechanism.
D. Major product is `(II)` and minor product is `(I)` by `SN^2` mechanism.

Answer

A

Explanation

There can be elimination from `2^@` and `3^@` carbocation to give alkene. Also, alkene predominantes over substitution in `3^@ C^(oplus)`.