Question
Question: Of the following, which cannot be obtained by electrolysis of the aqueous solution of their salts....
Of the following, which cannot be obtained by electrolysis of the aqueous solution of their salts.
A
B
Mg and Al
C
D
Cr
Answer
Mg and Al
Explanation
Solution
Mg and Al can not be obtained by the electrolysis of aqueous solution of their salts because instead of metal H2 gas is liberated at cathode.