question_answer

The structure of isobutyl group in an organic compound is

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

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

C)  \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\overset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,-\]

D)  

Correct Answer: D

Solution :

[a] is \[{{2}^{o}}\]butyl, [b] is n-butyl, [c] is neo-butyl.