question_answer

2, 3-dimethyl-2-butene can be prepared by heating which of the following compounds with a strong acid?                             [NEET 2015 (Re)]

A) \[{{(C{{H}_{3}})}_{2}}CH-\underset{\underset{C{{H}_{3}}}{\mathop{|}}\,}{\mathop{CH}}\,-CH=C{{H}_{2}}\]

B) \[{{(C{{H}_{3}})}_{3}}C-CH=C{{H}_{2}}\]

C) \[{{(C{{H}_{3}})}_{2}}C=CH-C{{H}_{2}}-C{{H}_{3}}\]

D) \[{{(C{{H}_{3}})}_{2}}CH-C{{H}_{2}}-CH=C{{H}_{2}}\]

Correct Answer: B

Solution :

[b]