Kelvi

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 reactions cannot occur?

medium

Electrochemistry

2022

chemistry

CuSO $_4($ aq $) +$ Zn $($ s $) \rightarrow$ ZnSO $_4($

Explanation

To determine which reaction cannot occur, we need to analyze the standard electrode potentials. $\\$ Given standard electrode potentials at 298 K: $\\$ • Cu $^{2+}/$ Cu $: 0.34 \,$

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At 298 K, the standard electrode potentials of Cu2+/^{2+}/2+/Cu,, ,Zn2+/^{2+}/2+/Zn,, ,Fe2+/^{2+}/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 reactions cannot occur?

Explanation

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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 reactions cannot occur?