Question

Which electrode is used as secondary standard electrode?

Answer 1

electrode is used as secondary standard electrode:-

• Any electrode whose electrode potential is known could be used to measure standard electrode potentials

• . Such electrodes are known as secondary standard electrodes.

• A useful example is the calomel electrode.

Answer 2

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• potentials are measured against reference electrodes that are easier to work with than the normal hydrogen electrode.
• Such electrodes are known as secondary reference electrodes.
• the most common are the calomel and silver–silver chloride electrodes.

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