14.During indirect redox reaction why there is a release of zinc ions from zinc rod and not of copper ion from copper rod. Why the copper ions from copper sulphate solution reduce to copper and not copper to copper ions?

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Q. how is the loss of copper ions from copper sulphate solution compenstated

Assertion: Upal observed that copper is deposited on the negative electrode connected to the terminal of the battery. Kavya performed the same experiment but she replaced the copper electrode with a carbon electrode and still observed copper is deposited over carbon rod.

Reason: Copper sulphate solution dissociates into copper and sulphate ions when electricity is passed through dilute copper sulphate solution and this free copper ions deposit on the carbon rod.

Which of the following reactions will not occur ? Why not ?

$(a) Z i n c s u l p h a t e (s o l u t i o n) + C o p p e r \to C o p p e r s u l p h a t e (s o l u t i o n) + Z i n c (b) C o p p e r s u l p h a t e (s o l u t i o n) + I r o n \to I r o n s u l p h a t e (s o l u t i o n) + C o p p e r$

Copper ions released from copper-releasing Intrauterine Devices (IUDs) :

Q. Copper ions released from copper-releasing Intra Uterine Devices (IUDs)

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