Question

12.
The correct IUPAC name of CH3 -CH2-C-COOH
CH2
1) 2-Methylbutanoic acid
2) 2-Ethylprop-2-enoic acid
3) 2-Carboxybutene
4) 2-Methylene butanoic acid​

Answer 1

Answer:

2-Methylbutanoic acid