Question

Why -CHO group cannot be present in the middle of the carbon
atom chain.

Answer 1

Explanation:

Ketone group is always found in the middle of the carbon chain. Explanation: Ketone is the name of a functional group presence of which in a compound classifies it as ketonic substance.seven C atoms

Name this molecule. The longest continuous carbon chain has seven C atoms, so this molecule is named as a heptane. There is a two-carbon substituent on the main chain, which is an ethyl group.