Which of the following statements about aldehydes is false?

A. They can be oxidized to carboxylic acids.
B. They can form hemiacetals.
C. They are less reactive than ketones.
D. They have a carbonyl group at the end of the carbon chain.

Answer: They are less reactive than ketones.


Additional Information: Aldehydes are generally more reactive than ketones due to steric and electronic factors.