State the observations at the anode and at the cathode during the electrolysis of:
Copper sulphate solution using copper electrodes.

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Solution

Copper sulphate solution using copper electrodes.
Copper anode dissolves to form Cu(II) ions
$C u \to C u^{2 +} + 2 e^{-}$
At cathode, copper ions are reduced to copper metal which is deposited on cathode.
$C u^{2 +} + 2 e^{-} \to C u$

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Similar questions

Which of the following reaction occurs at anode during the electrolysis of copper sulphate solution using copper electrodes?

C u S O_{4}

C u^{+ 2} + 2 e^{-} \to C u

C u \to C u^{+ 2} + 2 e^{-}

[C u^{2 +}, O H^{-}, S O_{4}^{2 -}, H^{+}]

(a) Give reason: The electrolysis of acidulated water is considered to be an example of catalysis.

(b) During the electrolysis of copper [II] sulphate solution using platinum as cathode and carbon as anode

(i) State what you observe at the cathode and at the anode

(ii) State the change noticed in the electrolyte

(iii) Write the reactions at the cathode and at the anode.

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