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Question

With reference to nature of electrodes, which one is inert electrodes?

A
Silver
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B
Copper
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C
Graphite
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D
Nickel
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Solution

The correct option is B Graphite
Inert electrode is an electrode that serves only as a source or sink for electrons without playing a chemical role in the electrode reaction. Precious metals, mercury, and carbon are typically used as inert electrodes.
Active electrodes took part in reactions as copper electrode, graphite electrode and silver electrode.

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