Vanillin, used as a flavouring agent, is:
1. An Aliphatic alcohol
2. An Aromatic aldehyde
3. A Hydrocarbon
4. A Carbohydrate

When reduced with LiAlH₄, which compound produces two alcohols?

1. CH₃COOCH₃

2. CH₃CO-O-OC₂H₅

3. CH₃COCH₃

4. CH₃CHO

One mole of Grignard reagent reacts with the acid chlorides to give

1. Esters

2. Ethers

3. Ketone

4. None of the above

Amides can be converted into amines by:

1. Perkin reaction

2. Claisen reaction

3. Hofmann reaction

4. Kekule reaction

What is the reverse of esterification called?

1. Acidolysis

2. trans-Esterification

3. Hydrolysis

4. Neutralization

A distinctive and characteristic functional group in a fat is :

Bee, red ant, and wasp sting contains:

1. Formaline

2. Formic acid

3. Acetic acid

4. Formaldehyde

A compound A, when reacted with PCl₅ and then with ammonia, gave B. B, when treated with bromine and caustic potash, produced C. C on treatment with NaNO₂ and HCl at $0°$C and on boiling produced ortho-cresol. Compound A is:

Benzaldehyde cannot be prepared by:

1.
2.
3.
4.