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Q. No.Given below are two statements:
Statement I:
Aniline does not undergo Friedel-Crafts alkylation reaction.
Statement II:
Aniline cannot be prepared through Gabriel synthesis.
1.
Both Statement I and Statement II are incorrect.
2.
Statement I is correct and Statement II is incorrect.
3.
Statement I is incorrect and Statement II is correct.
4.
Both Statement I and Statement II are correct.
Subtopic: Amines - Preparation & Properties | Identification of Primary, Secondary & Tertiary Amines |
68%
Level 2: 60%+
NEET - 2024
Hints
Identify the major product C formed in the following reaction sequence:
1. Butylamine
2. Butanamide
3. \(\alpha-\) Bromobutanoic acid
4. Propylamine
1. Butylamine
2. Butanamide
3. \(\alpha-\) Bromobutanoic acid
4. Propylamine
Subtopic: Amines - Preparation & Properties |
64%
Level 2: 60%+
NEET - 2024
Hints
Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I (Amine) |
List-II \(\textbf{(pK}_{b} ~\textbf{value}) \) |
||
| A. | Benzenamine | I. | 3.38 |
| B. | Phenylmethanamine | II. | 9.38 |
| C. | Methenamine | III. | 4.70 |
| D. | N-Ethylethanamine | IV. | 3.0 |
| 1. | A-II, B-III, C-I, D-IV | 2. | A-III, B-II, C-I, D-IV |
| 3. | A-II, B-I, C-III, D-IV | 4. | A-I, B-III, C-II, D-IV |
Subtopic: Identification of Primary, Secondary & Tertiary Amines |
68%
Level 2: 60%+
NEET - 2024
Hints
Match List-I with List-II :
Choose the correct answer from the options given below:
1. A-IV, B-III, C-II, D-I
2. A-IV, B-II, C-III, D-I
3. A-IV, B-II, C-I, D-III
4. A-II, B-III, C-I, D-IV
| List-I (Reagent) |
List-II (name of the reaction) |
||
| A. | Carbylamine test | I. | Phenol |
| B. | Bayer's test | II. | Acetone |
| C. | Iodoform test | III. | Ethylene |
| D. | Phthalein dye test | IV. | Aniline |
Choose the correct answer from the options given below:
1. A-IV, B-III, C-II, D-I
2. A-IV, B-II, C-III, D-I
3. A-IV, B-II, C-I, D-III
4. A-II, B-III, C-I, D-IV
Subtopic: Identification of Primary, Secondary & Tertiary Amines |
79%
Level 2: 60%+
NEET - 2024
Hints
Given below are two statements:
In the light of the above statements, choose the correct answer from the option given below:
| Statement I: | Benzendiazonium chloride is a colourless crystalline solid. It is insoluble in water but reacts with water when warmed. |
| Statement II: | Benzendiazonium chloride on reacting with HCI in presence of copper powder gives chlorobenzene as the product. This is an example of Gatterman reaction. |
| 1. | Both Statement I and Statement II is true. |
| 2. | Both Statement I and Statement II is false. |
| 3. | Statement I is true but Statement II is false. |
| 4. | Statement I is false but Statement II is true. |
Subtopic: Diazonium Salts: Preparation, Properties & Uses |
Level 3: 35%-60%
NEET - 2024
Hints
Which of the following is the correct sequence of reagents for converting 4-nitrotoluene to 2-bromotoluene?
| 1. | NaNO2/HCl; Sn/HCl; Br2; H2O/H3PO2 |
| 2. | Sn/HCl; NaNO2/HCl; Br2; H2O/H3PO2 |
| 3. | Br2; Sn/HCl; NaNO2/HCl; H2O/H3PO2 |
| 4. | Sn/HCl; Br2; NaNO2/HCl; H2O/H3PO2 |
Subtopic: Diazonium Salts: Preparation, Properties & Uses |
Level 3: 35%-60%
NEET - 2023
Hints
Subtopic: Amines - Preparation & Properties |
Level 3: 35%-60%
NEET - 2023
Hints
Subtopic: Diazonium Salts: Preparation, Properties & Uses |
57%
Level 3: 35%-60%
NEET - 2023
Hints
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 |
76%
Level 2: 60%+
NEET - 2023
Hints
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 |
82%
Level 1: 80%+
NEET - 2022
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