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Q. No.Which compound among the following exhibits a higher melting point?
1. p-Nitro acetanilide
2. Acetanilide
3. Aniline
4. Acetone
Subtopic: Preparation of the Organic and Inorganic compounds |
75%
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NEET 2026 - Target Batch - Vital
Hints
Which of the following compounds is more likely to demonstrate analgesic properties?
1. p-Nitro acetanilide
2. Acetanilide
3. Sodium benzoate
4. None of the above
1. p-Nitro acetanilide
2. Acetanilide
3. Sodium benzoate
4. None of the above
Subtopic: Preparation of the Organic and Inorganic compounds |
51%
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NEET 2026 - Target Batch - Vital
Hints
Which reagent is commonly used for the detection of hydroxyl groups?
1. Sodium hydroxide (NaOH)
2. Bromine water (Br2)
3. Sodium bicarbonate (NaHCO3)
4. Ammonia (NH3)
1. Sodium hydroxide (NaOH)
2. Bromine water (Br2)
3. Sodium bicarbonate (NaHCO3)
4. Ammonia (NH3)
Subtopic: Detection of the functional groups |
51%
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NEET 2026 - Target Batch - Vital
Hints
Which functional group gives a positive test with 2,4-Dinitrophenylhydrazine (2,4-DNPH) reagent?
| 1. | Alcohol (-OH) | 2. | Ketone (C=O) |
| 3. | Carboxylic acid (COOH) | 4. | Ester (RCOO-) |
Subtopic: Detection of the functional groups |
81%
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NEET 2026 - Target Batch - Vital
Hints
What is formed when a carbonyl compound reacts with Tollens' reagent (ammoniacal silver nitrate)?
1. White precipitate
2. Red coloration
3. Silver mirror
4. Blue solution
1. White precipitate
2. Red coloration
3. Silver mirror
4. Blue solution
Subtopic: Detection of the functional groups |
86%
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NEET 2026 - Target Batch - Vital
Hints
Fehling's solution is used for the detection of which functional group?
1. Alcohol (-OH)
2. Amine (NH2)
3. Aldehyde (CHO)
4. Carboxylic acid (COOH)
1. Alcohol (-OH)
2. Amine (NH2)
3. Aldehyde (CHO)
4. Carboxylic acid (COOH)
Subtopic: Detection of the functional groups |
91%
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NEET 2026 - Target Batch - Vital
Hints
Which functional group is identified through the use of Lucas reagent?
1. Alcohol (-OH)
2. Ester (RCOO-)
3. Amine (NH2)
4. Aldehyde (CHO)
1. Alcohol (-OH)
2. Ester (RCOO-)
3. Amine (NH2)
4. Aldehyde (CHO)
Subtopic: Detection of the functional groups |
92%
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NEET 2026 - Target Batch - Vital
Hints
What gas evolves when carboxylic acids react with carbonates or bicarbonates?
1. Oxygen (O2)
2. Carbon dioxide (CO2)
3. Hydrogen (H2)
4. Nitrogen (N2)
1. Oxygen (O2)
2. Carbon dioxide (CO2)
3. Hydrogen (H2)
4. Nitrogen (N2)
Subtopic: Detection of Anions |
91%
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NEET 2026 - Target Batch - Vital
Hints
Which reagent is used to distinguish between saturated and unsaturated hydrocarbons?
| 1. | Bromine water (Br2) | 2. | Silver nitrate (AgNO3) |
| 3. | Hydrochloric acid (HCl) | 4. | Potassium permanganate (KMnO4) |
Subtopic: Detection of the functional groups |
73%
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NEET 2026 - Target Batch - Vital
Hints
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NEET 2026 - Target Batch - Vital
What color product is formed when a ketone reacts with the 2,4-Dinitrophenylhydrazine (2,4-DNPH) reagent?
1. Orange/green precipitate
2. Brown precipitate
3. White precipitate
4. Yellow/orange precipitate
1. Orange/green precipitate
2. Brown precipitate
3. White precipitate
4. Yellow/orange precipitate
Subtopic: Detection of the functional groups |
79%
From NCERT
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NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
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