question_answer

The \[IUPAC\] name of the following compound is\[C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  {{C}_{6}}{{H}_{5}} \end{smallmatrix}}{\mathop{C}}\,H-C{{H}_{2}}-C{{H}_{3}}\]

A)  \[2-\]cyclohexylbutane

B)  \[\sec -\]butylbenzene

C)   \[3-\]cyclohexylbutane

D)   \[2-\]phenylbutane

Correct Answer: B

Solution :

\[C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  {{C}_{6}}{{H}_{5}} \end{smallmatrix}}{\mathop{C}}\,H-C{{H}_{2}}-C{{H}_{3}}\]