1.

The chemical reaction, 2AgCl_((s))+H_(2(g))to2HCl_((aq))+2Ag_((s)) taking place in a galvanic cell is represented by the notation

Answer»

`Pt|H_(2(g)),1"bar"|1M" "KCl_((AQ))//AgCl_((s))|Ag_((s))`
`Pt_((s))|H_(2(g)),1"bar"|1M" "HCl_((aq))||1MAg_((aq))^(+)|Ag_((s))`
`Pt_((s))|H_(2(g)),1"bar"|1M" "HCl_((aq))|AgCl_((s))|Ag_((s))`
`Pt_((s))|H_(2(g)),1"bar"|1M" "HCl_((aq))|Ag_((s))|AgCl_((s))`

Solution :`2AgCl_((s))+H_(2(g))to2HCl_((aq))+2Ag_((s))`
the activities of SOLIDS and liquid are takes as unity and at low CONCENTRATIONS, the ACTIVITY of a solute is approximated to its MOLARITY.
The cell reaction will be
`Pt_((s))|H_(2(g)),1"bar"|H_((aq))^(+)1M|AgCl_((aq))1M|Ag_((s))`.


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