H C N

What is the general formula for alkanes?

Which of the following is not an alkene?

• Ethene

• Propene

• Butane

• Pentene

What is the distinguishing feature of alkynes?

• Single carbon-carbon bonds

• Double carbon-carbon bonds

• Triple carbon-carbon bonds

• No carbon-carbon bonds

What is isomerism?

• Compounds with the same molecular formula but different structural formulas

• Compounds with different molecular formulas but the same structural formula

• Compounds with the same molecular and structural formulas

• Compounds that react in the same way

Which of the following is an example of an aromatic hydrocarbon?

• Methane

• Benzene

• Ethyne

• Propene

What functional group is characteristic of alcohols?

• Carbonyl

• Hydroxyl

• Carboxyl

• Amino

Which reaction involves the addition of hydrogen to an alkene to form an alkane?

• Hydration

• Hydrogenation

• Halogenation

• Polymerization

What is the product of the complete combustion of any hydrocarbon?

• Carbon and hydrogen

• Carbon monoxide and water

• Carbon dioxide and water

• Hydrogen gas and carbon

Which of the following is not a property of alkanes?

• They are saturated hydrocarbons.

• They can undergo substitution reactions.

• They have double bonds between carbon atoms.

• They are generally less reactive than alkenes and alkynes.

What type of isomerism is exhibited by butane and isobutane?

• Structural isomerism

• Geometric isomerism

• Optical isomerism

• Conformational isomerism