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Statement I: | Aldehydes react with one equivalent of monohydric alcohol in the presence of dry HCl to yield acetals. |
Statement II: | Acetals and ketals are hydrolyzed with aqueous mineral acids to yield corresponding aldehydes and ketones respectively. |
1. | Both Statement I and Statement II are correct. |
2. | Both Statement I and Statement II are incorrect. |
3. | Statement I is incorrect and Statement II is correct. |
4. | Statement I is correct and Statement II is incorrect. |
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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. |
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Statement I: | When chloral is heated with conc. potassium hydroxide, it yields [CCl3 — COO- and CCl3CH2OH] |
Statement II: | In Cannizzaro's reaction, hydride transfer is the slowest step. |
1. | Statement I is incorrect and Statement II is correct. |
2. | Both Statement I and Statement II are correct. |
3. | Both Statement I and Statement II are incorrect. |
4. | Statement I is correct and Statement II is incorrect. |
1. | \(~~~~~~~~~~~~O\\ ~~~~~~~~~~~~||\\ HO-C-CH_3\) |
2. | \(~~~~~~~~~~~~~O\\ ~~~~~~~~~~~~~~||\\ H_2N-C-CH_3\) |
3. | \(~~~~~~~~~~~~~O\\ ~~~~~~~~~~~~~||\\ CH_3 -C - CH_3\) |
4. | All of the above |
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1. | Crotonaldehyde | 2. | Acrolein |
3. | Mesityl oxide | 4. | Propanal |