Q. Which of the following is called white vitriol?

A) ${ZnCl}_{2}$
B) ${MgSO}_{4}\ .7H_{2}O$
C) $Al_{2}\left( {SO}_{4} \right)_{3}$
D) ${ZnSO}_{4}.7H_{2}O$
Explanation

(d)
Zinc sulphate hepta hydrate $(ZnSO_{4}.7H_{2}O)$ is called white vitriol. When it is heated with barium sulphide, it forms a white pigment lithopone.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.