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Subtopic: Carboxylic Acids: Preparation & Properties | Acid Derivatives - Preparation, Properties & Uses |
61%
From NCERT
NEET - 2022
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Consider the following reaction:
The number of sp2 hybridized carbons in the compound 'B' are:
1. 6
2. 7
3. 8
4. 5
The number of sp2 hybridized carbons in the compound 'B' are:
1. 6
2. 7
3. 8
4. 5
Subtopic: Carboxylic Acids: Preparation & Properties |
65%
From NCERT
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Given below are two statements:
| Statement I: | Diborane easily reduces functional groups such as ester, nitro, halo, etc. |
| Statement II: | Phthaladehyde contains three enolizable hydrogen atoms. |
| 1. | Statement I is correct and Statement II is incorrect. |
| 2. | Statement I is incorrect and Statement II is correct. |
| 3. | Both Statement I and Statement II are incorrect. |
| 4. | Both Statement I and Statement II are correct. |
Subtopic: Aldehydes & Ketones: Preparation & Properties |
From NCERT
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Subtopic: Name Reaction |
75%
From NCERT
NEET - 2022
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Which of the following reactions is not an example of nucleophilic addition–elimination reaction?
| 1. |  |
| 2. |  |
| 3. |  |
| 4. |  |
Subtopic: Isomers & Reaction Mechanism |
72%
From NCERT
NEET - 2022
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Subtopic: Aldehydes & Ketones: Preparation & Properties | Carboxylic Acids: Preparation & Properties | Name Reaction |
63%
From NCERT
NEET - 2022
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| Assertion (A): | Carboxylic acids are more acidic than phenols. |
| Reason (R): | Phenols are ortho and para-directing. |
| 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. | (A) is False but (R) is True. |
Subtopic: Carboxylic Acids: Preparation & Properties |
83%
From NCERT
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Given below are two statements:
| Statement I: | Aldehydes and ketones having at least one \(\alpha\)-hydrogen undergo aldol condensation in the presence of dilute alkali as catalyst. |
| Statement II: | When aldol condensation is carried out between two different aldehydes, it is called cross aldol condensation. Ketones do not give this reaction. |
In light of the above statements, choose the most appropriate answer from the options given below:
| 1. | Statement I is correct and Statement II is incorrect. |
| 2. | Statement I is incorrect and Statement II is correct. |
| 3. | Both Statement I and Statement II are correct. |
| 4. | Both Statement I and Statement II are incorrect. |
Subtopic: Name Reaction |
72%
From NCERT
NEET - 2022
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\(\mathrm{RMgX}+\mathrm{CO}_{2} \underset{\bf\text { ether }}{\stackrel{\bf\text { dry }}{\longrightarrow}} \mathrm{Y} \xrightarrow{{\mathrm{H}_{3} \mathrm{O}^{+}}}RCOOH\)
What is Y in the above reaction?
1. (RCOO)2Mg
2. RCOO-Mg+X
3. R3CO-Mg+X
4. RCOO-X+
What is Y in the above reaction?
1. (RCOO)2Mg
2. RCOO-Mg+X
3. R3CO-Mg+X
4. RCOO-X+
Subtopic: Carboxylic Acids: Preparation & Properties |
87%
From NCERT
NEET - 2022
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Match List - I with List - II.
Choose the correct answer from the options given below:
| List-I (Products formed) |
List - II (Reaction of carbonyl compound with) |
||
| (A) | Cyanohydrin | (I) | NH₂OH |
| (B) | Acetal | (II) | RNH₂ |
| (C) | Schiff's base | (III) | Alcohol |
| (D) | Oxime | (IV) | HCN |
| (A) | (B) | (C) | (D) | |
| 1. | (IV) | (III) | (II) | (I) |
| 2. | (III) | (IV) | (II) | (I) |
| 3. | (II) | (III) | (IV) | (I) |
| 4. | (I) | (III) | (II) | (IV) |
Subtopic: Name Reaction |
90%
From NCERT
NEET - 2022
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