A) \[K>Mg>Zn>Cu\]
B) \[Mg>Zn>Cu>K\]
C) \[K>Zn>Mg>Cu\]
D) \[Cu>Zn>Mg>K\]
Correct Answer: A
Solution :
The standard reduction potential of \[{{K}^{+}}\], \[M{{g}^{2+}},\,\,\,Z{{n}^{+2}}\,\,C{{u}^{2+}}\] increase in this order.
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