Statement–I: Aluminium can be purified by electrolytic refining.Statement–II: Copper can be purified by poling.
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a
Both Statement-I and Statement-II are correct
b
Statement-I is correct and Statement-II is incorrect
c
Statement-I is incorrect and Statement-II is correct
d
Both Statement-I and Statement-II are incorrect
answer is A.
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Detailed Solution
(I) Hoope’s process – Electrolytic refining of ‘Al’ ; pure Al … Cathode ; Impure Al … Anode Na3AlF6 ….. Electrolyte.(II) Copper containing oxides of copper as impurities is stirred vigorously with green poles of wood. The hydrocarbons present in green poles of wood reduce oxides of copper to copper.