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Nernst equation questions answers for board and iit

Nernst equation questions answers  for board and iit

Grade:11

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
Dear student

Please find the link below for information regardingNernst equation

https://www.askiitians.com/iit-jee-chemistry/physical-chemistry/nernst-equation.aspx#nernst-equation

Regards
Arun
25750 Points
4 years ago

 

Predict whether the following redox reaction is feasible under the standard conditions or not. 

             Sn2+(aq) + Cu(s) →   Sn(s) + Cu2+(aq)

 
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   = E°cathode      -   E°anode
                               E°cell   = E° 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

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