Extraction of Metals - Result Question 43
####43. Copper is purified by electrolytic refining of blister copper. The correct statement(s) about this process is/are (2015 Adv.)
(a) impure
(b) acidified aqueous
(c) pure
(d) impurities settle as anode-mud
Show Answer
Solution:
- (a) is wrong statement. Impure copper is set as anode where copper is oxidised to
(b)
(c) Pure copper is deposited at cathode as:
(d) Less active metals like
