At 298 K, the standard electrode potentials of Cu²⁺/Cu, Zn²⁺ /Zn, Fe²⁺ /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?
At 298 K, the standard electrode potentials of Cu²⁺/Cu, Zn²⁺ /Zn, Fe²⁺ /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?
Option 1 -
CuSO₄(aq) + Zn(s) → ZnSO₄(aq) + Cu(s)
Option 2 -
CuSO₄(aq) + Fe(s) → FeSO₄(aq) + Cu(s)
Option 3 -
FeSO₄(aq) + Zn(s) → ZnSO₄(aq) + Fe(s)
Option 4 -
2CuSO₄(aq) + 2Ag(s) → 2Cu(s) + Ag₂SO₄(aq)
Asked by Shiksha User
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1 Answer
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Correct Option - 4
Detailed Solution:Silver will not be able to reduce Cu²? to Cu.
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