Q. Which of the following hydroxides is insoluble in water?
A) $Ba(OH)_{2}$
B) $Ca(OH)_{2}$
C) $Be(OH)_{2}$
D) $Mg(OH)_{2}$
Explanation
(c)
The solubility of hydroxides of alkaline earth metals in water increases on moving down the group
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.