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Q. No.Match List-I with List-II:
Choose the correct answer from the options given below
1. A - I, B - III, C -IV, D - II
2. A - II, B - IV, C - III, D - I
3. A - II, B - III, C - I, D - IV
4. A - II, B - III, C - IV, D - I
| List-I | List-II | ||
| A. |  |
I. | (i) Oleum; (ii) NaOH, \(\Delta\); (iii) \(H^+\) |
| B. |  |
II. | (i) \(O_2\); (ii) \(H_2O/H^+\) |
| C. |  |
III. | (i) \(CH_3OH, H^+; \) (ii) \(H_2, \text{catalyst}\) |
| D. |  |
IV | (i) Conc. \(H_2SO_4, \Delta;\) (ii) \(H^+/H_2O\) |
1. A - I, B - III, C -IV, D - II
2. A - II, B - IV, C - III, D - I
3. A - II, B - III, C - I, D - IV
4. A - II, B - III, C - IV, D - I
Subtopic: Alcohols: Preparation & Properties | Mechanism of Dehydration, Methanol & Ethanol | Phenols: Preparation & Properties |
57%
Level 3: 35%-60%
NEET - 2026
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The functional group that can be identified through phthalein dye test is:
1. Phenolic
2. Alcohol
3. Aldehyde
4. Carboxylic acid
1. Phenolic
2. Alcohol
3. Aldehyde
4. Carboxylic acid
Subtopic: Phenols: Preparation & Properties | Electrophilic Substitution Reactions, Uses of Phenols |
64%
Level 2: 60%+
NEET - 2026
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The total number of possible isomers (both structural as well as stereoisomers)
of cyclic ethers of molecular formula \(C_4H_8O \) is :
1. 10
2. 11
3. 6
4. 8
of cyclic ethers of molecular formula \(C_4H_8O \) is :
1. 10
2. 11
3. 6
4. 8
Subtopic: Ethers: Preparation & Properties, Uses |
Level 4: Below 35%
NEET - 2025
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Identify the correct reagents that would bring about the following transformation.
| 1. | \(\text { (i) } \mathrm{BH}_3\) | 2. | \(\text { (i) } \mathrm{BH}_3\) |
| \((ii) \mathrm{H}_2 \mathrm{O}_2 / \stackrel{\ominus}{\mathrm{OH}}\) | \((ii) \mathrm{H}_2 \mathrm{O}_2 / \stackrel{\ominus}{\mathrm{OH}}\) | ||
| \(\text { (iii) } \mathrm{P C C}\) | \(\text { (iii) alk. } \mathrm{KMnO}_4\) | ||
| \(\text { (iv) } \mathrm{H}_3 \mathrm{O}^{+}\) | |||
| 3. | \(\text { (i) } \mathrm{H}_2 \mathrm{O} / \mathrm{H}^{+}\) | 4. | \(\text { (i) } \mathrm{H}_2 \mathrm{O} / \mathrm{H}^{+}\) |
| \(\text { (ii) } \mathrm{P C C}\) | \(\text { (ii) } \mathrm{CrO}_3\) |
Subtopic: Alcohols: Preparation & Properties |
62%
Level 2: 60%+
NEET - 2024
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Which one of the following alcohols reacts instantaneously with Lucas reagent?
| 1. |  |
| 2. |  |
| 3. |  |
| 4. | \(\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CH}_2 \mathrm{OH}\) |
Subtopic: Alcohols: Preparation & Properties |
81%
Level 1: 80%+
NEET - 2024
Hints
Identify D in the following sequence of reactions:
| 1. | n-Propyl alcohol | 2. | Isopropyl alcohol |
| 3. | Propanal | 4. | Propionic acid |
Subtopic: Alcohols: Preparation & Properties |
64%
Level 2: 60%+
NEET - 2024
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Subtopic: Alcohols: Preparation & Properties |
72%
Level 2: 60%+
NEET - 2023
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Subtopic: Mechanism of Dehydration, Methanol & Ethanol |
53%
Level 3: 35%-60%
NEET - 2023
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Subtopic: Ethers: Preparation & Properties, Uses |
74%
Level 2: 60%+
NEET - 2023
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Reagents that can be used to convert alcohols to carboxylic acids are:
(A) CrO3 - H2SO4
(B) K2Cr2O7 + H2SO4
(C) KMnO4 + KOH/H3O+
(D) Cu, 573 K
(E) CrO3+ (CH3CO)2O
Choose the most appropriate answer from the options given below:
1. (B), (C) and (D) only
2. (B), (D) and (E) only
3. (A), (B) and (C) only
4. (A), (B) and (E) only
(A) CrO3 - H2SO4
(B) K2Cr2O7 + H2SO4
(C) KMnO4 + KOH/H3O+
(D) Cu, 573 K
(E) CrO3+ (CH3CO)2O
Choose the most appropriate answer from the options given below:
1. (B), (C) and (D) only
2. (B), (D) and (E) only
3. (A), (B) and (C) only
4. (A), (B) and (E) only
Subtopic: Alcohols: Preparation & Properties |
72%
Level 2: 60%+
NEET - 2023
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