1.

Write Nernst equation for the reaction (i) 2Cr(s)+3Cd^(+ +)(aq)to2Cr^(3+)(aq)+3Cd(s)(ii) 2Cr+3Fe^(+ +)to2Cr^(3+)+3Fe

Answer»

SOLUTION :(i) `E_(CELL)=E_(cell)^(@)-(RT)/(6F)ln([Cr^(3+)]^(2))/([Cd^(++)]^(3))(becausen=6)""(II) " "E_(cell)=E_(cell)^(@)-(RT)/(6F)"ln"([Cr^(3+)]^(2))/([Fe^(++)]^(3))(becausen=6)`


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