Match the compounds given in Column I with the items given in Column II.
Column I | Column II |
A. Benzene sulphonyl chloride | 1. Zwitter ion |
B. Sulphanilic acid | 2. Hinsberg reagent |
C. Alkyl diazonium salts | 3. Dyes |
D. Aryl diazonium salts | 4. Conversion to alcohols |
Codes:
A | B | C | D | |
1. | 2 | 1 | 4 | 3 |
2. | 3 | 1 | 4 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 3 | 2 | 1 |
Select the correct option based on statements below:
Assertion (A): | Only a small amount of HCI is required in the reduction of nitro compounds with iron scrap and HCI in the presence of steam. |
Reason (R): | FeCl2 formed gets hydrolyzed to release HCI during the reaction. |
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. |
Match the reactions given in Column I with the statements given in Column II.
Column I | Column II |
A. Ammonolysis | 1. Amine with a lesser number of carbon atoms |
B. Gabriel phthalimide synthesis | 2. Detection test for primary amines. |
C. Hofmann bromamide reaction | 3. Reaction of phthalimide with KOH and R—X |
D. Carbylamine reaction | 4. Reaction of alkyl halides with NH3 |
Codes:
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 1 | 4 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 3 | 1 | 2 |
The reagent among the following that does not reduce an aryl nitro compound to an amine is:
1. H2(excess) / Pt
2. LiAlH4 in ether
3. Fe and HCI
4. Sn and HCI
A compound "A", when reacted with PCl5 and then with ammonia, gives "B". "B" on treatment with bromine and caustic potash produces "C". "C" on treatment with NaNO2 and HCl at C and then boiling produces ortho-cresol. Compound "A" is:
1. o-Toluic acid
2. o-Chlorotoluene
3. o-Bromotoluene
4. m-Toluic acid
Whose melting point is the highest?
1. | Primary amines | 2. | Secondary amines |
3. | Tertiary amines | 4. | Quaternary amines |
Which amine gives the carbylamine test?
1. | 2. | ||
3. | 4. |
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. |
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. |
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. |