question_answer

How many isomeric forms of \[{{C}_{7}}{{H}_{9}}N\] contain a benzene ring?

A)  4                                            

B)  5                            

C)  6                            

D)         7

Correct Answer: B

Solution :

\[{{C}_{7}}{{H}_{9}}N\]represents 5-isomers each containing a benzene ring. These are