Question

Which is a property of both alkenes and alkynes?

Answer 1

Their boiling points tend to increase with chain length.

Answer 2

Answer: Option (c) is the correct answer.

Explanation:

An alkene molecule has a double bond whereas an alkyne molecule has a triple bond.

Properties of alkenes and alkynes are as follows.

• Both are insoluble in water.
• Their pH is less than 7.
• Boiling point increases with increase in carbon atoms or chain length.
• Their densities are less than the density of water.

Thus, we can conclude that out of the given options, their boiling points tend to increase with chain length is a property of both alkenes and alkynes.