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Write Nernst equation for the redox reaction occurring in the following galvanic cells. (i) Pt|Fe^(2+),Fe^(3+)||H^(+),Cr_(2)O_(7)^(2-), Cr^(3+)|Pt (ii) Pt|H_(2)("g, p atm")|H^(+)||Cl^(-)|Hg_(2)Cl_(2)(s)|Hg (iii) Ag|AgCl(s)|Cl^(-)||Ag^(+)|Ag (iv) Pt|I_(2)(s)|I^(-)||Br^(-)|Br_(2)(l)|Pt (All at 25^(@)C) |
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