Q. No.Select the correct option based on statements below:
Assertion (A):
C6H5NH2 is a 1° amine and can be prepared by Gabriel phthalimide synthesis.
Reason (R):
C6H5NH2 is strongly basic in nature.
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:
| Assertion (A): | of aniline is higher than ethylamine. |
| Reason (R): | The lone pair of 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. |
Based on the statements given, which option is correct?
| Assertion (A): | Nitration of aniline at a low temperature gives 47% m-nitroaniline. |
| Reason (R): | In acidic medium, group is converted into group which is m-directing. |
| 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. |
Whose melting point is the highest?
| 1. | Primary amines | 2. | Secondary amines |
| 3. | Tertiary amines | 4. | Quaternary amines |
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 undergoes the following reaction sequence to yield product D:
What is the formula of the product D?
1.
2.
3.
4.
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