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Write the Nernst equation for the reacti...

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

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ii) E_ crll =E_ wh ^circ+2.303 RT/6 ~F^cdot log [Fe^2+]^3/[Cr^3+]^2(therefore n=6)
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