Select the correct option based on statements below:

Assertion (A):	${\mathrm{pK}}_{\mathrm{b}}$ of aniline is higher than ethylamine.
Reason (R):	The lone pair of $-N{H}_2$ group in aniline is involved in conjugation with a benzene ring.

 

1.	Both (A) and (R) are true and (R) is the correct explanation of (A).
2.	Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.	(A) is true but (R) is false.
4.	Both (A) and (R) are false.

Select the correct option based on statements below:

Based on the statements given, which option is correct?

Which amine gives the carbylamine test?

1.		2.
3.		4.

Whose melting point is the highest?

Z in the below reaction sequence will be:
\(CH_3CH_2Cl \)\(\xrightarrow[]{NaCN}\ X\ \)\(\xrightarrow[]{Ni/H_2}\ Y \ \)\(\xrightarrow{Ac_2O}\ Z\)
1. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NHCOCH}_3 \)
2. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NH}_2 \)
3. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{CONHCH}_3 \)
4. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{CONHCOCH}_3\)

The product B in the below mentioned reaction is:
\(Acetamide \overset{P_2O_5}{\longrightarrow}A\ \overset{4H}{\longrightarrow}\ B\)

1. CH₃NH₂                              

2. C₂H₅NH₂

3. CH₃CN                                   

4. CH₃COONH₄

Which of the following compounds, when reduced with lithium aluminium hydride, produces a secondary amine?

1. Nitroethane

2. Methylisocyanide

3. Acetamide

4. Methyl cyanide

Benzene diazonium chloride on reaction with aniline in the presence of dilute hydrochloric acid gives:

1.		2.
3.		4.

Aniline in a set of reactions yielded a product D.
\(\xrightarrow[HCl]{NaNO_2}\ A\ \xrightarrow[]{CuCN}\ B\ \xrightarrow[Ni]{H_2}\ C\ \xrightarrow[]{HNO_2}\ D\)

The formula of the product D in the above mentioned reaction is

1. $C_6{H}_{5}NHOH$

2. $C_6{H}_{5}NHC{H}_{2}C{H}_3$

3. $C_6{H}_{5}C{H}_{2}N{H}_2$

4. $C_6{H}_{5}C{H}_{2}OH$