In the electrolysis of molten copper chloride, the substance liberated at the anode is __________ .

copper

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chlorine

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hydrogen

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copper chloride

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none of the above

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Solution

The correct option is B chlorine
In the electrolysis of molten copper chloride, the substance liberated at the anode is chlorine and the substance deposited at cathode is copper.
Oxidation at anode:
$2 C l^{-} (a q) \to C l_{2} (g) + 2 e^{-}$
Reduction at cathode:
$C u^{2 +} (a q) + 2 e^{-} \to C u (s)$

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In the electrolysis of molten copper chloride, the substance liberated at the anode is __________ .

The correct option is B chlorineIn the electrolysis of molten copper chloride, the substance liberated at the anode is chlorine and the substance deposited at cathode is copper. Oxidation at anode:2Cl−(aq)→Cl2(g)+2e− Reduction at cathode:Cu2+(aq)+2e−→Cu(s)