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Reaction of a carbonyl compound with one of the following reagents involves nucleophilic addition followed by the elimination of water. The reagents is
1. A Grignard reagent
2. Hydrazine in presence of feebly acidic solution
3. Hydrocyanic acid
4. Sodium hydrogen sulphite
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The correct order of strengths of the carboxylic acids
1. I>II>III
2. II>III>I
3. III>II>I
4. II>I>III
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Compound A, is found to react with NaOI (produced by reacting Y with NaOH) and yields a yellow precipitate with characteristic smell.
A and Y are respectively
1. | |
2. | |
3. | |
4. |
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Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their
1. Formation of intramolecular H-bonding
2. Formation of carboxylate ion
3. More extensive association of carboxylic acid via van der waals force of attraction
4. Formation of intermolecular H-bonding
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Of the following, which is the product formed when cyclohexanone undergoes aldol condensation followed by heating?
1.
2.
3.
4.
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