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Subtopic: Â Amines - Preparation & Properties |Â Mechanism |
Level 4: Below 35%
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Which of the following reactions belong to electrophilic aromatic substitution?
1. Bromination of acetanilide
2. Coupling reaction of aryldiazonium salts
3. Diazotisation of aniline
4. Acylation of aniline
Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
Subtopic: Â Mechanism |
 50%
Level 3: 35%-60%
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Consider the given reaction:
The correct order of the set of reagents for the above conversion is:
The correct order of the set of reagents for the above conversion is:
| 1. | \(\mathrm{Br}_2 \mid \mathrm{FeBr}_3, \mathrm{H}_2 \mathrm{O}(\Delta), \mathrm{NaOH}\) |
| 2. | \(\mathrm{H}_2 \mathrm{SO}_4, \mathrm{Ac}_2 \mathrm{O}, \mathrm{Br}_2, \mathrm{H}_2 \mathrm{O}(\Delta), \mathrm{NaOH}\) |
| 3. | \(\mathrm{Ac}_2 \mathrm{O}, \mathrm{Br}_2, \mathrm{H}_2 \mathrm{O}(\Delta), \mathrm{NaOH}\) |
| 4. | \(\mathrm{Ac}_2 \mathrm{O}, \mathrm{H}_2 \mathrm{SO}_4, \mathrm{Br}_2, \mathrm{NaOH}\) |
Subtopic: Â Mechanism |
Level 4: Below 35%
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| Assertion (A): | Anilinium chloride is more acidic than ammonium chloride. |
| Reason (R): | The anilinium ion is resonance-stabilised. |
| 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 statement but (R) is False. |
| 4. | Both (A) and (R) are False statements. |
Subtopic: Â Mechanism |
Level 4: Below 35%
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