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At 298 K, the standard electrode potenti...

At 298 K, the standard electrode potentials of `Cu^(2+)// Cu, Zn^(2+)// Zn, Fe^(2+)// Fe and Ag^(+)//Ag` are 0.34 V, -0.76 V, -0.44 V and 0.80 V, respectively.
On the basis of standard electrode potential, predict which of the following reaction can not occur?

A

`CuSO_(4)(aq) +Zn(s) rarr ZnSO_4(aq) + Cu(s)`

B

`CuSO_4(aq) +Fe(s) rarr FeSO_4(aq) + Cu(s)`

C

`FeSO_4(aq) +Zn(s) rarr ZnSO_4(aq) + Fe(s)`

D

`2CuSO_4(aq) + 2Ag(s) rarr2Cu(s)+ Ag_2SO_4(aq)`

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