Question

The IUPAC name of acraldehyde is

• A. Prop-2-en-1-al
• B. Propenyl aldehyde
• C. But-2-en-1-al
• D. Propenal

Answer 1

The correct option is A Prop-2-en-1-al

The structure of Acraldehyde is
$$C{H}_2=CH-CHO$$
As the parent carbon chain consists of three carbon , word root will be prop. The functional group is aldehyde here and the suffix used for aldehyde is -al.

IUPAC name of Acryaldehyde is $\text{Prop-2-en-1-al}.$

Hence, option (a) is correct.