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working of mercury cell

gaurav sharma , 12 Years ago
Grade 12th Pass
anser 1 Answers
Aman Bansal

Last Activity: 12 Years ago

Dear Gaurav,

HgO(l) + Zn(s) --> ZnO(s) + Hg(l)

So one has

Hg2+ + Zn(s) --> Zn2+ + Hg(l)

and the oxygen does not change valence, it is simply transferred form Hg to Zn.

Half cell reactions

Hg2+ + 2 e- --> + Hg

Zn --> Zn2+ + 2 e-

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