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

The product formed by the reaction of an aldehyde with a primary amine is:
1. Ketone
2. Carboxylic acid
3. Aromatic acid
4. Schiff base

A compound that can be reduced to the corresponding hydrocarbon by Zn-Hg/ conc. HCl is:

1. Butan-2-one                         

2. Acetic acid

3. Acetamide                             

4. Ethyl acetate

The correct sequence of increasing orders of reactivity in nucleophilic addition reaction is:

1. Butanone < Propanone < Propanal < Ethanal

2. Butanone > Propanone > Propanal > Ethanal

3. Butanone < Propanal < Propanone < Ethanal

4.  Propanal < Propanone < Ethanal < Butanone 

The correct order of decreasing acid strength of
trichloroacetic acid (A), trifluoroacetic acid (B), acetic acid (C), and formic acid (D) is:

1. B > A > D > C

2. B > D > C > A

3. A > B > C > D

4. A > C > B >D

The correct statement regarding a carbonyl compound with a hydrogen atom on its alpha-carbon is:

The most reactive compound towards the nucleophilic addition reaction is:

A compound with the molecular formula C₅H₁₀ that yields acetone on ozonolysis is:
1. 2-Methyl-2-butene
2. 2-Methyl-1-butene
3. Cyclopentane
4. 3-Methyl-1-butene

The final product 'B' in the below mentioned reaction is:

1.		2.
3.		4.