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Subtopic: Alcohols: Preparation & Properties |
From NCERT
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Choose the correct option regarding the following statements:
| Statement-I: | 2, 4, 6-Trinitrotoluene is picric acid. |
| Statement-II: | Reaction of 4-hydroxybenzene-1, 3-disulphonic acid with conc. \(\mathrm{HNO_3}\) gives picric acid. |
| 1. | Both statement-I and statement-II are true. |
| 2. | Both statement-I and statement-II are false. |
| 3. | Statement-I is true but statement-II is false. |
| 4. | Statement-I is false but statement-II is true. |
Subtopic: Phenols: Preparation & Properties |
From NCERT
JEE
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Consider the following reactions:
\(R-COOH\xrightarrow[(ii)~H_2O/HCl]{(i)~X}R-CH_2OH\)
\(\small{R-CH=CH_2\xrightarrow[(ii)~H_2O, NaOH, H_2O_2]{(i)~X}R-CH_2-CH_2-OH}\)
Identify 'X' in above reactions:
\(R-COOH\xrightarrow[(ii)~H_2O/HCl]{(i)~X}R-CH_2OH\)
\(\small{R-CH=CH_2\xrightarrow[(ii)~H_2O, NaOH, H_2O_2]{(i)~X}R-CH_2-CH_2-OH}\)
Identify 'X' in above reactions:
| 1. | \(B_2H_6 \) | 2. | \(LiAlH_4 \) |
| 3. | \(NaBH_4 \) | 4. | \(H_2/Pd \) |
Subtopic: Alcohols: Preparation & Properties |
50%
From NCERT
NEET - 2023
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
Consider the following reaction:
The correct conclusion about product P is:
1. Both rings will be 5-membered.
2. Both rings will be 6-membered.
3. One ring is 5-membered and the other is 6-membered.
4. One of the rings is 4-membered.
The correct conclusion about product P is:
1. Both rings will be 5-membered.
2. Both rings will be 6-membered.
3. One ring is 5-membered and the other is 6-membered.
4. One of the rings is 4-membered.
Subtopic: Mechanism of Dehydration, Methanol & Ethanol |
From NCERT
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Subtopic: Alcohols: Preparation & Properties |
From NCERT
JEE
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The number of isomeric alcohols (excluding stereoisomers) of molecular formula C6H14O which give a positive iodoform test are:
1. Three
2. Four
3. Five
4. Two
1. Three
2. Four
3. Five
4. Two
Subtopic: Alcohols: Preparation & Properties |
From NCERT
NEET - 2013
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
The major product of the reaction of salicylaldehyde with one equivalent of MeMgBr, followed by acid neutralization is:
1. II.
2. I.
3. IV.
4. III.
| I. |  |
II. |  |
| III. |  |
IV. |  |
1. II.
2. I.
3. IV.
4. III.
Subtopic: Mechanism of Dehydration, Methanol & Ethanol |
From NCERT
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Subtopic: Alcohols: Preparation & Properties |
From NCERT
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Identify the reaction that produces the correct major products under the given condition.
| 1. |  |
| 2. |  |
| 3. |  |
| 4. |  |
Subtopic: Ethers: Preparation & Properties, Uses |
From NCERT
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Which compound predominantly forms the meta-substituted product for the methyl group in a halogenation reaction?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Electrophilic Substitution Reactions, Uses of Phenols |
From NCERT
JEE
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