First slide

Activity Series (OR) Electro chemicals series

Question

E^o of Fe|Fe²⁺ is +0.44V, E^o of Cu|Cu²⁺ is –0.32V. Then in the cell

Moderate

A

Cu oxidises Fe²⁺ ion
B

Cu²⁺ oxidises iron
C

Cu reduces Fe²⁺ ion
D

Cu²⁺ ion reduces Fe

Solution

Both potentials are oxidation potentials. Higher oxidation potental reduces lower oxidation potential
Fe reduces Cu⁺² or Cu⁺² oxidises Fe.

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