Q. No.Among the given reactions, which one does not result in the formation of a primary amine as the product?
| 1. |  |
| 2. |  |
| 3. |  |
| 4. |  |
Subtopic: Amines - Preparation & Properties |
77%
Level 2: 60%+
NEET - 2023
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Subtopic: Amines - Preparation & Properties |
Level 3: 35%-60%
NEET - 2023
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Match list-I with list-II:
| List-I (Amines) | List-II (pKb values) | ||
| (a) | N-Methylmethanamine | (i) | 9.30 |
| (b) | Ammonia | (ii) | 9.38 |
| (c) | N-Methylaniline | (iii) | 4.75 |
| (d) | Benzenamine | (iv) | 3.27 |
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (ii) | (i) | (iii) |
| 2. | (iv) | (iii) | (i) | (ii) |
| 3. | (iii) | (iv) | (i) | (ii) |
| 4. | (i) | (iv) | (iii) | (ii) |
Subtopic: Amines - Preparation & Properties |
71%
Level 2: 60%+
NEET - 2022
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Subtopic: Amines - Preparation & Properties |
69%
Level 2: 60%+
NEET - 2022
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Match Column-I (Reaction) with Column-II (Product formed) and mark the appropriate choice:
| Column-I (Reaction) |
Column-II (Product formed) |
||
| (a) | Gabriel synthesis | (i) | Benzaldehyde |
| (b) | Kolbe synthesis | (ii) | Ethers |
| (c) | Williamson synthesis | (iii) | Primary amines |
| (d) | Etard reaction | (iv) | Salicylic acid |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (i) | (ii) | (iv) |
| 2. | (ii) | (iii) | (i) | (iv) |
| 3. | (iv) | (iii) | (i) | (ii) |
| 4. | (iii) | (iv) | (ii) | (i) |
Subtopic: Amines - Preparation & Properties |
83%
Level 1: 80%+
NEET - 2022
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The reaction of propanamide with ethanolic sodium hydroxide and bromine will give:
| 1. | Ethylamine | 2. | Methylamine |
| 3. | Propylamine | 4. | Aniline |
Subtopic: Amines - Preparation & Properties |
74%
Level 2: 60%+
NEET - 2020
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What is the correct order of the methyl-substituted amines' basic strength in an aqueous solution?
1. CH3NH2 > (CH3)2NH > (CH3)3N
2. (CH3)2NH > CH3NH2 > (CH3)3N
3. (CH3)3N > CH3NH2 > (CH3)2NH
4. (CH3)2NH > (CH3)3N > CH3NH2
1. CH3NH2 > (CH3)2NH > (CH3)3N
2. (CH3)2NH > CH3NH2 > (CH3)3N
3. (CH3)3N > CH3NH2 > (CH3)2NH
4. (CH3)2NH > (CH3)3N > CH3NH2
Subtopic: Amines - Preparation & Properties |
77%
Level 2: 60%+
NEET - 2019
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The nitration of aniline in a strong acidic medium results in the formation of m-nitroaniline because:
| 1. | In spite of substituents, the nitro group always goes to only the m-position. |
| 2. | In electrophilic substitution reactions, the amino group is meta-directive. |
| 3. | In the absence of substituents, the nitro group always goes to only m-position. |
| 4. | In an acidic (strong) medium, aniline is present as an anilinium ion. |
Subtopic: Amines - Preparation & Properties |
73%
Level 2: 60%+
NEET - 2018
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The correct increasing order of basic strength of the given molecules is:
 |
 |
 |
| (I) | (II) | (III) |
1. III < I < II
2. III < II < I
3. II < I < III
4. II < III < I
Subtopic: Amines - Preparation & Properties |
81%
Level 1: 80%+
NEET - 2017
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Mark the correct reaction among the following to convert acetamide to methenamine:
1. Hoffmann bromamide reaction
2. Stephens reaction
3. Gabriels phthalimide synthesis
4. Carbylamine reaction
Subtopic: Amines - Preparation & Properties | Identification of Primary, Secondary & Tertiary Amines |
84%
Level 1: 80%+
NEET - 2017
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