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Q. No.
Subtopic: Acid Derivatives - Preparation, Properties & Uses |
Level 3: 35%-60%
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Which, of the following compounds, can give iodoform reaction?
| 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 |
Subtopic: Aldehydes & Ketones: Preparation & Properties |
Level 3: 35%-60%
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Which of the following is the correct statement based on the given information?
| 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. |
Subtopic: Name Reaction |
Level 3: 35%-60%
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Subtopic: Aldehydes & Ketones: Preparation & Properties |
51%
Level 3: 35%-60%
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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%
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Consider the given reaction:
Compound 'B' is:
Compound 'B' is:
| 1. | Crotonaldehyde | 2. | Acrolein |
| 3. | Mesityl oxide | 4. | Propanal |
Subtopic: Name Reaction |
51%
Level 3: 35%-60%
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Identify the reaction(s) which do not give n-propyl benzene as a major product:
Choose the correct answer from the options given below:
1. A only
2. A and B only
3. C and D only
4. D only
| A. |  |
| B. |  |
| C. |  |
| D. |  |
Choose the correct answer from the options given below:
1. A only
2. A and B only
3. C and D only
4. D only
Subtopic: Name Reaction |
Level 3: 35%-60%
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Given below are two statements:
| 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. |
Subtopic: Isomers & Reaction Mechanism |
Level 3: 35%-60%
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Consider the given statements:
| Statement I: | The conversion of but-2-ene to ethanal can be obtained by reductive ozonolysis. |
| Statement II: | The conversion of allyl alcohol to propenal is a reduction reaction and can be achieved using the PCC reagent. |
| 1. | Statement I is correct; Statement II is correct. |
| 2. | Statement I is correct; Statement II is incorrect. |
| 3. | Statement I is incorrect; Statement II is correct. |
| 4. | Statement I is incorrect; Statement II is incorrect. |
Subtopic: Aldehydes & Ketones: Preparation & Properties |
Level 3: 35%-60%
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In which one of the following cases will \(\alpha\)-hydrogen not be abstracted on treatment with one equivalent of base?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Aldehydes & Ketones: Preparation & Properties | Carboxylic Acids: Preparation & Properties |
Level 3: 35%-60%
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