Answer
It is an Aldehyde. It is 3-Methylbutanal.
Work Step by Step
These structures for aldehydes are named according to the nomenclature system rules set by the IUPAC.
1. The longest hydrocarbon chain has 4 carbon atoms, thus it is a butanal.
2. The numbering starts from the side that has carbonyl functional group present.
3. A methyl group is found on carbon number 3.
