Match List-I with List-II:
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) \(H^+/H_2O\)
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
Subtopic:  Alcohols: Preparation & Properties | Mechanism of Dehydration, Methanol & Ethanol | Phenols: Preparation & Properties |
 57%
Level 3: 35%-60%
NEET - 2026
Please attempt this question first.
Hints

The functional group that can be identified through phthalein dye test is:
1. Phenolic
2. Alcohol
3. Aldehyde
4. Carboxylic acid
Subtopic:  Phenols: Preparation & Properties | Electrophilic Substitution Reactions, Uses of Phenols |
 63%
Level 2: 60%+
NEET - 2026
Please attempt this question first.
Hints

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
Subtopic:  Ethers: Preparation & Properties, Uses |
Level 4: Below 35%
NEET - 2025
Please attempt this question first.
Hints

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
Hints

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
Hints

Consider the following reaction and identify the product (P):
1. 2.
3. 4.
Subtopic:  Alcohols: Preparation & Properties |
 72%
Level 2: 60%+
NEET - 2023
Hints

Which amongst the following will be most readily dehydrated under acidic conditions?
1. 2.
3. 4.
Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
 53%
Level 3: 35%-60%
NEET - 2023
Hints

Consider the following reaction: 

Identify products A and B:
1.
2.
3.
4.
Subtopic:  Ethers: Preparation & Properties, Uses |
 74%
Level 2: 60%+
NEET - 2023
Hints

Reagents that can be used to convert alcohols to carboxylic acids are:
(A) CrO- 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
Hints