A) The standard reduction potential of \[L{{i}^{+}}Li\]is lower than that of \[C{{u}^{2+}}/Cu\]
B) the standard reduction potential of \[C{{u}^{2+}}/Cu\]is lower than that of \[Li/Li\]
C) the standard oxidation potential of \[Li/L{{i}^{+}}\]is lower than that of \[Cu/C{{u}^{2+}}\]
D) Li is smaller in size as compared to Cu
Correct Answer: A
Solution :
In the electrochemical series, metals are arranged in increasing order of their standard reduction potential. The standard reduction potentials of \[L{{i}^{+}}/Li\]and \[C{{u}^{2+}}/Cu\]are \[-3.05\,V\] and \[+\,.034V\]respectively. Therefore, Li occupies higher position in series as compared to Cu.
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