Which of the following is dihydric alcohol ?

Options

A. Glycerol
B. Ethylene glycol
C. Catechol
D. Resorcinol

Answer

B

Explanation

Glycols are dihydric alcohols (having two hydroxyl groups). Ethylene glycol is the first membrane of this series.
`underset("Ethylene glycol"){:(CH_(2)OH),(|),(CH_(2)OH):}`