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JEE Advanced 2015Paper 1

Exam: JEE Advanced
Year: 2015
Paper: Paper 1
Subject: Chemistry
Chapter: General Principles and Processes of Isolation of Metals

JEE Advanced 2015 · Paper 1 · Chemistry · General Principles and Processes of Isolation of Metals

Copper is purified by electrolytic refining of blister copper. The...

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

Options

AImpure Cu strip is used as cathode
BAcidified aqueous $CuS{O}_{4}$ is used as electrolyte
CPure Cu deposits at cathode
DImpurities settle as anode-mud.

Correct answer

B. Acidified aqueous $CuS{O}_{4}$ is used as electrolyte

Step-by-step solution

Impure Cu is used as anode pure Cu deposited at cathode. Electrolyte is acidified solution of

CuS{O}_{4}

impurities settle as anode mud.

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