Question

Based on the following reactions, arrange the metals in increasing order of their reduction potentials.

$Zn + Cu^{2 +} \rightarrow Zn^{2 +} + Cu:$

$Mg + Zn^{2 +} \rightarrow Mg^{2 +} + Zn;$

$Cu + 2Ag^{+} \rightarrow Cu^{2 +} + 2Ag$

• A. Mg > Zn > Cu > Ag
• B. Mg < Zn < Cu < Ag
• C. Zn < Cu < Ag < Mg
• D. Mg > Cu > Zn > Ag

Answer 1

Answer: (B)

Mg < Zn < Cu < Ag

Answer 2

: Mg < Zn < Cu < Ag

$E^{o}$ (V) $- 2.36$ $- 0.76$ $+ 0.34$ $+ 0.80$