An organic compound in which a carbonyl group is bonded to one carbon atom and one hydrogen atom is a(n) amide. aldehyde. ketone. ester.

aldehyde

Explanation:

Functional groups are specific group of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules.

1. Amides have functional group .

Example: Ethanamide with molecular formula

2. Aledydes have functional group .

Example: Ethanal with molecular formula

3. Ketones have functional group .

Example: Propanone with molecular formula

4. Esters have functional group .

Example: methyl ethanoate with molecular formula

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.