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Subtopic: Name Reaction |
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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:
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2. |  |
| 3. |  |
4. |  |
Subtopic: Acid Derivatives - Preparation, Properties & Uses |
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Subtopic: Aldehydes & Ketones: Preparation & Properties |
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Subtopic: Isomers & Reaction Mechanism | Carboxylic Acids: Preparation & Properties |
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In which one of the following cases will \(\alpha\)-hydrogen NOT be abstracted on treatment with one equivalent of base?
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2. |  |
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4. |  |
Subtopic: Aldehydes & Ketones: Preparation & Properties | Carboxylic Acids: Preparation & Properties |
From NCERT
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Consider the following sequence of reactions:
Identify \(\mathrm{A,B,}\) and \(\mathrm{C}\) in the reaction sequence:
Identify \(\mathrm{A,B,}\) and \(\mathrm{C}\) in the reaction sequence:
| 1. | \(\mathrm{A:DiBAL\text-H,}\) \(\mathrm{B:NaOH\text{ (dil)},}\) \(\mathrm{C:Zn\text-Hg/HCl}\) |
| 2. | \(\mathrm{A:LiAlH_4,}\) \(\mathrm{B:KOH\text{ (alcoholic)},}\) \(\mathrm{C:NH_2\text-NH_2/KOH}\) |
| 3. | \(\mathrm{A:DiBAL\text-H,}\) \(\mathrm{B:NaOH\text{ (dil)},}\) \(\mathrm{C:NH_2\text-NH_2/KOH}\) |
| 4. | \(\mathrm{A:NaBH_4,}\) \(\mathrm{B:KOH\text{ (aqueous)},}\) \(\mathrm{C:Zn\text-Hg/HCl}\) |
Subtopic: Aldehydes & Ketones: Preparation & Properties |
From NCERT
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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 |
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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
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| B. |  |
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| 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 |
From NCERT
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
Subtopic: Aldehydes & Ketones: Preparation & Properties |
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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 |
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