Which of the following is an example of an alkane?
a) Ethene
b) Propene
c) Butane
d) Ethyne
Answer: c) Butane

The general formula for alkanes is:
a) CₙH₂ₙ
b) CₙH₂ₙ₊₂
c) CₙH₂ₙ₋₂
d) CₙH₂ₙ₊₄
Answer: b) CₙH₂ₙ₊₂

Which of the following hydrocarbons is unsaturated?
a) Methane
b) Ethylene
c) Propane
d) Butane
Answer: b) Ethylene

The process of converting alkenes into alkanes is called:
a) Cracking
b) Hydrogenation
c) Dehydration
d) Polymerization
Answer: b) Hydrogenation

Which of the following is an aromatic hydrocarbon?
a) Ethylene
b) Benzene
c) Methane
d) Propane
Answer: b) Benzene

The formula for ethyne is:
a) C₂H₂
b) C₂H₄
c) C₃H₆
d) C₄H₁₀
Answer: a) C₂H₂

Which type of bond is present in alkanes?
a) Double bonds
b) Triple bonds
c) Single bonds
d) Quadruple bonds
Answer: c) Single bonds

Which of the following hydrocarbons is a liquid at room temperature?
a) Methane
b) Ethylene
c) Propane
d) Octane
Answer: d) Octane

Which reaction involves the addition of halogens to alkenes?
a) Hydrogenation
b) Halogenation
c) Dehydrogenation
d) Cracking
Answer: b) Halogenation

The product of the complete combustion of alkanes is:
a) Carbon dioxide and water
b) Carbon monoxide and water
c) Carbon and water
d) Carbon dioxide and hydrogen
Answer: a) Carbon dioxide and water