Question

H
H3C CH2-CH3
COOH
The IUPAC name of
the given compound
is:
Butan-3-oic acid
Butan-2-oic acid
3-
Methylbutanoic
acid
2-
Methylbutanoic
acid​

Answer 1

Answer:

butan-1-oic acid

if cooh is at first place but if cooh is connected to the middle one then 2- methylbutanoic acid