Q

Functional group -CHO is present in which of the following?

JE CBT-1, 22-May-19 S-2 2019
✓ Answer: B Aldehyde
The -CHO functional group is characteristic of aldehydes. This group consists of a carbonyl center (a carbon atom double-bonded to oxygen) with the carbon atom also bonded to a hydrogen atom, hence the formula -CHO.