Question

give the name of the functional group -C=O​

Answer 1

Answer:

Explanation:

Your question isn't clear, However it can be a ketones or a aldehyde

Answer 2

Answer: ketone group

Explanation:

When a carbonyl carbon is bonded on one side to a carbon (or hydrogen) and on the other side to an oxygen, nitrogen, or sulfur, the functional group is considered to be one of the 'carboxylic acid derivatives', a designation that describes a set of related functional groups