Question

#PLATOFAM

Answer 1

Ketones and aldehydes are simple compounds that contain a carbonyl group (a carbon-oxygen double bond). They are considered "simple" because they do not have reactive groups like −OH or −Cl attached directly to the carbon atom in the carbonyl group, as in carboxylic acids containing −COOH.

So your answer would be D.).

I hope that this helps. :)

Answer 2

 The organic compound ketone contains which functional group?
 
D.) carbonyl