Question

11A.

Use standard reduction potentials to calculate the equilibrium constant for the reaction: Sn2+(aq) + 2Fe2+(aq)— Sn(s) + 2Fe3+

11B.

Use standard reduction potentials to calculate the equilibrium constant for the reaction: Cuºt(aq) + Co(s) + Cu(s) + Coºt(aq)

11C.

Use standard reduction potentials to calculate the equilibrium constant for the reaction: Cd2+(aq) + Pb(s)—— Cd(s) + Pb2+(aq)

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Antwer. Il S24aq) tafe+(ag) sols) +lfe + caq E for 512 → S = D.14V Reslaction) E for T2+ 3+ = 077V Coxdation) Eceu = Ered-EX

118. Cu2+ caq.) +co(s) + Cuksi + co2t cage) Eo for Cu2+ 4 = 0.34 Creduction) to for to co 24 = -0.28 Coxidation) Eocle - Ered

Answere 11C) Cd2+ + Pb (dtPb2+ E for 60246d -0.40 (Reduction) E for Pb 7624 -013 Loxidation ) Ece Ered - -0.40 - 60-3) = -0.4

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