$\left(i\right) Aromatic amine + Nitrous acid \to A$
$\left(ii\right) Aliphatic amine + Nitrous acid \to B$

The A and B in the above reactions are -

1. Alcohol, Diazonium salt

2. Aldehyde, Diazonium salt

3. Diazonium salt, Alcohol

4. Diazonium salt, Aldehyde

X, and Y in the following sequence are :

1.	X =  Br2 / CS2 , and Y =
2.	X =  Br2 / H2O  and Y =
3.	X =  Br2 / CS2 , and Y =
4.	X =  Br2 / H2O  and Y =

Benzamide  $\stackrel{{\mathrm{Br}}_2, \mathrm{NaOH}}{\to }$ A $\underset{2. {\mathrm{H}}_3{\mathrm{PO}}_2}{\overset{1. {\mathrm{HNO}}_2}{\to }}$ Benzene $\stackrel{{\mathrm{CH}}_3\mathrm{Cl}, {\mathrm{AlCl}}_3}{\to }$
$$B

A and B in the above reaction sequence are -

1. Chlorobenzene and aniline

2. Aniline and toluene

3. p-Methylaniline and chlorobenzene

4. None of the above

The molecular formulae of A and B in the following are-
\(CH_3CH_2Br\xrightarrow{KCN}CH_3CH_2CN\xrightarrow{LiAlH_4}\\ A\xrightarrow {HNO_2,~0 \ ^{o}C}B\)
1. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{NH}_{2}, and ~\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{3}\)
2. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{NH}_{2}, and ~\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\)
3. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}=\mathrm{NH}, and ~\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\)
4. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}=\mathrm{NH}, and ~\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{3}\)

${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NO}}_2\stackrel{\mathrm{Sn}/\mathrm{HCl}}{\to } \mathrm{A}\stackrel{{\mathrm{HNO}}_2, 273\mathrm{K}}{\to } {\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{N}}_2\mathrm{Cl}\stackrel{{\mathrm{C}}_6{\mathrm{H}}_5\mathrm{OH}}{\to } \mathrm{B}$

A and B in the above reaction sequence are -

$1. {\mathrm{C}}_6{\mathrm{H}}_5\mathrm{N}=\mathrm{NH}, \mathrm{and} {\mathrm{C}}_6{\mathrm{H}}_6$
$2. {\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NH}}_2, \mathrm{and} \mathrm{p}-\mathrm{hydroxyazobenzene}$
$3. {\mathrm{C}}_6{\mathrm{H}}_5\mathrm{N}=\mathrm{NH}, \mathrm{and} \mathrm{p}-\mathrm{hydroxyazobenzene}$
$4. {\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NH}}_2, \mathrm{and} {\mathrm{C}}_6{\mathrm{H}}_5\mathrm{OH}$

The correct statements among the following is :