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CBSE Class 12-science Answered

Predict whether the following redox reaction is feasible under the standard conditions or not.              Sn2+(aq) + Cu(s) →   Sn(s) + Cu2+(aq)
Asked by Topperlearning User | 22 Jun, 2016, 02:42: PM
answered-by-expert Expert Answer
In the given cell the reduction of Sn 2+ ions takes pace and also the oxidation of copper metal to copper ions takes place.Eo cell is
                               E°cell   = cathode      -   E°anode
                               E°cell   = Sn2+ / Sn -  E°  Cu2+ / Cu
                                                                = -0.14 V – ( -0.34) = 0.20V
                                                              Δ Go = - nFEo celll  

                                                                        = -2 x 96500 x 0.20 V = -38600 J

Answered by | 22 Jun, 2016, 04:42: PM
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