Carbonyl Compounds: Aldehydes and Ketones

What is the functional group present in both aldehydes and ketones?

• Hydroxyl group, OH

• Carbonyl group, C=O

• Carboxyl group, COOH

• Amino group, NH2

Which of the following is the simplest aldehyde?

• A) Ethanal

• B) Methanal

• C) Propanal

• D) Butanal

What is the common name for propanone?

• Acetone

• Formaldehyde

• Acetic acid

• Ethanol

In the naming of aldehydes, what suffix is added to the stem of the longest carbon chain?

• -one

• -al

• -ene

• -yne

In a ketone, how is the carbonyl carbon atom designated?

• A) Carbon-1

• B) Carbon-2

• C) Carbon-3

• D) Carbon-4