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How does a reference electrode work? I wanna know the exact process like how this electrode...

How does a reference electrode work?
I wanna know the exact process like how this electrode keeps its potential, what happen to this when working/counter electrode gets oxidized/reduced and etc.

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Answer #1

The importance of Reference electrode is that it can measure the potential of the working electrode without passing current through it, while counter (auxiliary) electrode allows you to pass current. Suppose, If oxidation occurs at the working electrode and reduction occurs at the counter electrode using the same magnitude of current. So there is no current flow between working and reference electrode. But it helps to follow changes in working electrode potential accurately. This is not possible in a two electrode system.

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