Which of the following alkyl halides give most complex mixture of alkene in an `E_2` reaction ?

Options

A. A) `CH_(3) - CH_(2) - CH_(2) - CH_(2) -Br`
B. B) `CH_(3)-CH_(2) - CH_(2) - underset(Br)underset(|)CH-CH_3`
C. C) `CH_(3)-CH_2-underset(Br)underset(|)CH-CH_2-CH_3`
D. D) `CH_(3) - overset(CH_3)overset(|)underset(Br)underset(|)C-CH_2-CH_3`

Answer

B

Explanation