The reagent 'R' in the given sequence of a chemical reaction is : 

1.	HI	2.	CuCN/KCN
3.	H2O	4.	CH3CH2OH

Identify the compound that will react with Hinsberg's reagent to give a solid which dissolves in alkali.

1.		2.
3.		4.

The incorrect statement among the following is :

The incorrect statement among the following is :

The correct statements among the following is :

Consider the following statements related to ammonolysis.

The true statement(s) are-
1. a, b
2. a, b, c
3. a, c
4. b

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

A and B in the above reaction sequence are -

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

$\mathrm{A}\stackrel{{\mathrm{NH}}_3, ∆}{\to } {\mathrm{CH}}_3{\mathrm{CONH}}_2 \stackrel{\mathrm{NaOBr}}{\to } \mathrm{B}\stackrel{{\mathrm{NaNO}}_2/\mathrm{HCl}}{\to } {\mathrm{CH}}_3\mathrm{OH}$

A and B in the above reaction sequence are :

$1. {\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}, \mathrm{and} {\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{N}}_2\mathrm{Cl}$
$2. {\mathrm{CH}}_3\mathrm{COOH}, \mathrm{and} {\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{NH}}_2$
$3. {\mathrm{CH}}_3\mathrm{COOH}, \mathrm{and} {\mathrm{CH}}_3{\mathrm{NH}}_2$
$4. {\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Br}, \mathrm{and} {\mathrm{CH}}_3{\mathrm{NH}}_2$

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. \(\mathrm{{CH}_{3} {CH}_{2} {CH}_{2} {NH}_{2}}, ~\text{and} ~\mathrm{{CH}_{3} {CH}_{2} {CH}_{3}}\)
2. \(\mathrm{{CH}_{3} {CH}_{2} {CH}_{2} {NH}_{2}},~\text{and} ~\mathrm{{CH}_{3} {CH}_{2} {CH}_{2} {OH}}\)
3. \(\mathrm{{CH}_{3} {CH}_{2} {CH}={NH}}, ~\text{and} ~\mathrm{{CH}_{3} {CH}_{2} {CH}_{2} {OH}}\)
4. \(\mathrm{{CH}_{3} {CH}_{2} {CH}={NH}}, ~\text{and} ~\mathrm{{CH}_{3} {CH}_{2} {CH}_{3}}\)