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Question

In an electrochemical cell represented as,

Zn | Zn2+(c1) || Cu2+(c2) | Cu

So in this cell,

a.Zn is oxidized

b.Zn is reduced

c.Cu is oxidized

d.Cu is reduced

A

Zn is oxidized

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B

Zn is reduced

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C

Cu is oxidized

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D

Cu is reduced

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Solution

The correct option is A

  • Zn is oxidized
  • Oxidation is the process of loss of electrons or an increase in oxidation state by a molecule, atom, or ion.
  • The reduction in the process of gain of electrons or a decrease in oxidation state by a molecule, atom, or ion.
  • If an atom's oxidation number decreases in a reaction, it is reduced. If an atom's oxidation number increases, it is oxidized.
  • Therefore, In the given equation
  • Zn is oxidized.

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