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in Electrochemistry by (33.4k points)
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1. What does this figure represent? 

2. What is its potential? 

3. How can we construct this?

1 Answer

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by (36.2k points)
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Best answer

1. SHE (Standard Hydrogen Electrode) Or NHE (Normal Hydrogen Electrode).

2. Its potential is taken as zero.

3. It consists of a platinum wire sealed into a glass tube carrying a platinum foil, coated with finely divided Pt, at one end. The electrode is dipped in an aqueous acid solution of 1M concentration. Pure hydrogen gas at 1 bar pressure is bubbled through the solution at 298 K.

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