Chapter 19, Problem 13SAQ

Interpretation Introduction

Interpretation: The reaction that takes place at the cathode of an electrolytic cell which contains a mixture of molten $KCl$ and $ZnC{l}_2$ is to be identified from the following given options:

$K\left(s\right)\to K^{+}(l)+e^{–}$

$K^{+}\left(l\right)+e^{–}\to K\left(s\right)$

$Z{n}^{2+}(l)+2e^{–}\to Zn\left(s\right)$

$2C{l}^{–}\left(l\right)\to C{l}_2(g)+2e^{–}$