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Electrochemistry Comparison reference electrodes SHE Calomel Silver/silver chloride H 21 1710 Saturated So -KO Crystal KC1, 3
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Answer #1

The formal is: electrolyte solution | electrode. Any phase difference is seperated by '|'. Pt is used in both electrodes because neither electrode is solid.

In SHE H2 gets oxidized to H+. So, cell diagram is:

H+(aq) (H2 (9) Pt(s)

In calomel electrode, Hg is oxidized to Hg(I) in Hg2Cl2. So, cell diagram is:

ci-(aq) Hg2C12(s) Hg() Pt(s)

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