The final product $R$ for the reaction is:

How many isomeric forms of $C_7H_9N$ contain a benzene ring?

An amine $(X)$ is prepared by ammonolysis of benzyl chloride. On adding $p-$toluenesulphonyl chloride to it,the solution remains clear. The molar mass of the amine $(X)$ formed is $g \ mol^{-1}$. (Given molar mass in $g \ mol^{-1}$: $C=12, H=1, O=16, N=14, S=32, Cl=35.5$)

$E \xleftarrow{KOH/Br_2} D \xleftarrow{H_2O_2/OH^{-} \atop (Partial \ Hydrolysis)} C \xleftarrow{NaCN} C_2H_5-Cl$ $\xrightarrow{AgCN} A$ $\xrightarrow{LiAlH_4} B$
What is the relationship between $B$ and $E$?

Match the compounds given in List-$I$ with their characteristic reactions given in List-$II$. Select the correct option.

List-$I$ (Compounds)	List-$II$ (Reactions)
$A. \ CH_3(CH_2)_3NH_2$	$(i)$ Alkaline hydrolysis
$B. \ CH_3C\equiv CH$	$(ii)$ With $KOH$ (alc.) and $CHCl_3$ produces bad smell
$C. \ CH_3CH_2COOCH_3$	$(iii)$ Gives white ppt. with ammoniacal $AgNO_3$
$D. \ CH_3CH(OH)CH_3$	$(iv)$ With Lucas reagent cloudiness appears after $5 \ minutes$

$90 \ g$ of ethylamine on reaction with methyl chloride produces a tertiary amine as the exclusive product. The amount of methyl chloride required is:
$[\text{Given atomic masses in amu}: H=1, C=12, N=14, Cl=35.5]$ (in $g$)