Q.
Among the following, the most reactive metal which displaces other metals from their salts in solution is: $E_{Zn / Zn^{2 +}}^{o}= \, +0.76 \, V, \, E_{Ag / Ag^{+}}^{o}=-0.80 \, V$
$E_{Cu / Cu^{2 +}}^{o}=+0.34 \, V, \, E_{Co / Co^{2 +}}^{o}=+0.87 \, V$
NTA AbhyasNTA Abhyas 2020
Solution: