This section contains `11` pragraphs, Based on each paragraph, four to nine mutilple choice questions have to be answered. Each question has four mutiple chaoices questions have to be answered. Each question has four mutiple choices `(a), (b),(c)` and `(d)` out of which only one is correct or wrong.
Paragraph for Problems `1-8`

Compound `(A)` is:

Options

A.
B.
C.
D.

Answer

`a`

Explanation

I proceed reverse from `(E)` to `(D), (E)` is obtained by the `1,4-` additon of `Br_(2)` on `(D), (D)` must be a conjkugated diene.

ii. `(D)` is obtained from `(A)` and `(A)` to `(D)` is elimination reaction by bulkyl base to give less substitude alkene (Hofmann elimination). SO `(A)` is:

Reaction can be summarised as