Which of the following is an incorrect name for the following compound?
(a) α-Methylpropionic acid
(b) β-Methylbutyric acid
(c) Isovaleric acid
(d) 3-Methylbutanoic acid
I got this question in an internship interview.
Question is from Nomenclature and Structure of Carboxyl Groups topic in portion Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12