Question

What is the common name of $2$-hydroxypropanoic acid?

• A. Adipic acid
• B. Crotonic acid
• C. Lactic acid
• D. Acrylic acid

Answer 1

Answer: (C)

Common name $\to$ Lactic acid or $\alpha$-hydroxy propanoic acid.
IUPAC $\to 2$-hydroxypropanoic acid.