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A metal-insoluble salt electrode consist...

A metal-insoluble salt electrode consists of

A

crystals of an insoluble salt coated with a metal

B

a piece of metal placed in a solution containing a sparingly soluble salt

C

a piece of metal coated with one of its insoluble salts.

D

a metal fused with an insoluble salt at high temeperature

Text Solution

Verified by Experts

The correct Answer is:
A
It is the most common type of electrode where a metal is in equilibrium with a solution containing its ions. Second one is a redox electrode, thirds one is metal-insoluble salt-anion electrode and the fourth one is a gas electrode.
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Metal Insoluble Salt Anion Electrode