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Classification of Organic Compounds

1. Pick out the option that is not a functional group from the following.

a) Hydroxyl group

b) Benzene group

c) Aldehyde group

d) Carboxylic acid group

Answer: Benzene group

2. Which of these is not an aliphatic compound?

a) Acetic acid

b) Acetaldehyde

c) Ethane

d) Tetrahydrofuran

Answer: Tetrahydrofuran

3. What is the other name for acyclic compounds?

a) Aliphatic

b) Aromatic

c) Heterocyclic

d) Alicyclic

Answer: Aliphatic

4. The successive members of a homologous series differ by an unit of which of the following?

a) –CH₃

b) CH₃CH₃

c) –CH₂

d) –CH₂CH₃

Answer: –CH₂

5. Tropolone is a benzenoid compound.

a) True

b) False

Answer: False

Categories: Organic Chemistry – Basic Principles and Technique