Q. Out of the following metals that cannot be obtained by electrolysis of the aqueous solution of is salts is
A) Ag
B) Cr
C) Cu
D) Mg
Explanation
(d)
Magnesium (Mg) cannot be obtained by the electrolysis of its aqueous salt solution because when it is liberated at cathode, at once reacts with $H_{2}O$ to give metal hydroxide and hydrogen.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.