- 1(current)
Q. No.Given below are two statements:
| Assertion (A): | Aldehydes and ketones give nucleophilic addition reaction but acyl derivatives give nucleophilic substitution reaction. |
| Reason (R): | Aldehydes and ketones contain stronger bases and poor leaving groups in comparison to acyl derivatives. |
| 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. |
Subtopic: Aldehydes & Ketones: Preparation & Properties | Acid Derivatives - Preparation, Properties & Uses |
Level 4: Below 35%
Hints
The values of some of the acids are given below:
| Acid | \(\mathrm{pK_a}\) | Acid | \(\mathrm{pK_a}\) |
 |
-0.6 | HI | -10.0 |
 |
4.8 | \(\mathrm{HC} \equiv \mathrm{CH}\) | 25 |
| \(\overset{+}{N}H_4\) | 9.4 | \(H_2S\) | 7.0 |
The correct order of leaving tendency of their conjugate bases is:
| 1. |  |
| 2. |  |
| 3. |  |
| 4. |  |
Subtopic: Acid Derivatives - Preparation, Properties & Uses |
52%
Level 3: 35%-60%
Hints
An organic compound that neither reacts with neutral ferric chloride solution nor with Fehling's solution, but reacts with a Grignard reagent and gives a positive iodoform test, is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Acid Derivatives - Preparation, Properties & Uses |
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
Subtopic: Acid Derivatives - Preparation, Properties & Uses |
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
© 2026 GoodEd Technologies Pvt. Ltd.