Exploring Alkenes and Alkanes

Which of the following is a property of alkenes?

• They are saturated hydrocarbons.

• They contain at least one carbon-carbon double bond.

• They are generally unreactive.

• They have a higher boiling point than alkanes of similar molecular weight.

What is a common use of alkanes?

• As a solvent in the production of plastics.

• As a fuel for heating and cooking.

• In the manufacture of detergents.

• As a refrigerant.

Which of the following is a characteristic property of alkanes?

• They are highly reactive.

• They are saturated hydrocarbons.

• They are generally polar.

• They have a fruity smell.

Alkenes are commonly used in the production of which of the following?

• Lubricating oils.

• Polyethylene plastics.

• Natural gas.

• Diesel fuel.

Which of the following is true about the boiling points of alkanes?

• They decrease with increasing molecular weight and chain length.

• They are higher than those of alkenes with similar molecular weight.

• They increase with increasing molecular weight and chain length.

• They remain constant regardless of molecular weight.

What is a typical use of ethene, an alkene?

• As a refrigerant.

• In the ripening of fruits.

• As a lubricant.

• In the production of glass.

Which of the following is a property of alkanes?

• They are soluble in water.

• They are less dense than water.

• They have a sweet smell.

• They are highly reactive with acids.

What is a common use of propane, an alkane?

• As a solvent in the paint industry.

• As a fuel for barbecues and portable stoves.

• In the production of synthetic rubber.

• As a refrigerant.

Which of the following is a property of alkenes?

• They are saturated hydrocarbons.

• They are more reactive than alkanes.

• They are generally non-polar.

• They have a higher density than water.

What is a typical use of butane, an alkane?

• In the production of synthetic fibres.

• As a fuel in lighters and portable stoves.

• As a refrigerant.

• In the manufacture of glass.