Copper is purified electrolytic |CHEMISTRY|JEE Advance 2015

JEE Advance 2015

Paper-1

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Question

Copper is purified by electrolytic refining of blister copper. The correct statement(s) about this process is (are):

Select ALL correct options:

Impure Cu strip is used as cathode

Acidified aqueous $\mathrm{CuSO}_4$ is used as electrolyte

Pure Cu deposits at cathode

Impurities settle as anode-mud

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

⚠ Partially correct. Some answers are missing.

Solution

Impure Cu is used as anode pure Cu deposited at cathode. Electrolyte is acidified solution of $\mathrm{CuSO}_4$. impurities settle as anode mud.

Question Tags

JEE Advance

Chemistry

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