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Chemical Effects of Electric Current

The ions whic...

Question

The ions which are discharged during electrolysis of aqueous CuSO4, using copper electrodes are _________ .

A

SO₄^2-

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B

H⁺

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C

OH^-;

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D

Cu²⁺

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Solution

The correct option is D
Cu²⁺

Reaction at anode:

Cu²⁺̶ 2e^̶→ Cu²⁺

Copper Electrons Ions

Anode

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Similar questions

Q. During electrolysis of an aqueous solution of

C u S O_{4}

using copper electrodes, if 2.5 g of Cu is deposited at cathode, then at anode:

Q. Assertion :At the end of electrolysis using platinum electrodes, an aqueous solution of

C u S O_{4}

turns colourless. Reason: During the electrolysis

C u S O_{4}

C u (O H)_{2}

during electrolysis.

Q. Assertion :Blue colour of aq.

C u S O_{4}

turns almost colourless on its electrolysis using Pt electrodes. Reason: The copper ions are converted to the copper deposit on the cathode.

Q. Select the correct answer from the list given in brackets:
The ion which is discharged at the anode during the electrolysis of copper sulphate solutions using copper electrodes as anode and cathode.

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

Q. Assertion :At the end of electrolysis using Pt electrodes, an aqueous solution of

C u S O_{4}

turns colorless. Reason:

C u S O_{4}

C u (O H)_{2}

during elctrolysis.

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