Question

Diacetone alcohol is also known as ___________.

• A. $4$-hydroxy butyraldehyde
• B. $4$-Hydroxy-$4$-methyl-$2$-pentanone
• C. but-$2$-en-$1$-al
• D. butan-$2,4$-dione

Answer 1

The correct option is B $4$-Hydroxy-$4$-methyl-$2$-pentanone

Diacetone alcohol is $4$-hydroxy-$4$-methyl-$2$-pentanone.
It is a $\beta$-hydroxy carbonyl compound obtained by the aldol condensation of two molecules of acetone.