1.

For the reaction , H_(2(g))+Hg_(2)Cl_(2) to 2Hg_((l))+2HCl_((aq)) electrochemical cell will be:

Answer»

`Pt,H_(2)|HCl||`Calomel electrode
`HG|Hg(NO_(3))_(2)||`Calomel electrode
Calomel electrode`||HCl|H_(2)_((G)), Pt`
`Hg|Hg_(2)Cl_(2),KCl||Hg(NO_(3))_(2)|Hg`

Solution :Large difference in SOP gives spontaneous cell REACTION.


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