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ICSE Class 10 Chemistry 2013 Paper

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Copper sulphate solution is electrolysed using copper electrodes.
Study the diagram given below and answer the question that follows:
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Question : 53 of 84
Marks: +1, -0
Write the equation representing the reaction that occurs.
Solution:  
At Cathode: Cu2++2e−→Cu\mathrm{Cu}^{2+}+2e^{-}\rightarrow\mathrm{Cu}
At Anode : Cu−2e−→Cu2+\mathrm{Cu}-2e^{-}\rightarrow\mathrm{Cu}^{2+}
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