. Advertisement .
..3..
. Advertisement .
..4..
......... ADVERTISEMENT ......... ..8..
The IUPAC name for a molecule with a carboxyl group in the parent chain is the parent chain name + -oic acid (Example: ethanoic acid for CH3COOHCH3COOH). A carboxyl group can be described as substituent group its name is parent chain and carboxylic acid.
Answer:
a) 4-methylpentanoic acid
b) Butanedioic Acid