Q. Which of the following salts will give highest pH in water ?
A) KCl
B) NaCl
C) $Na_2CO_3$
D) $CuSO_4$
Explanation
[Solution] $Na_2CO_3$ (strong base, weak acid) hydrolyses to give a basic solution. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.