Purification And Characterisation Of Organic Compounds Question 93
Question: Of the following, which cannot be obtained by electrolysis of the aqueous solution of their salts
[IIT 1990]
Options:
A) $ Ag $
B) $ Mg $ and $ Al $
C) $ Cu $
D) $ Cr $
Show Answer
Answer:
Correct Answer: B
Solution:
Mg and Al can not be obtained by the electrolysis of aqueous solution of their salts because instead of metal $ H_2 $ gas is liberated at cathode.
BETA
