$\mathrm{C}_{7} \mathrm{H}_{9} \mathrm{~N}$ has how many isomeric forms that contain a benzene ring?
$\mathrm{C}_{7} \mathrm{H}_{9} \mathrm{~N}$ has how many isomeric forms that contain a benzene ring?
4
5
6
7
Solution
$\mathrm{C}_{7} \mathrm{H}_{9} \mathrm{~N}$ having one benzene ring may be represented as $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{4} \mathrm{~N}$, may be in the form of $1^{\circ}$ and $2^{\circ}$ amines in the following five isomeric forms.
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