1.Consider the following reduction processes:Zn2+ (aq)+2e−→Zn (s)\text{Zn}^{2+}\,(\text{aq}) + 2e^- \rightarrow \text{Zn}\,(\text{s})Zn2+(aq)+2e−→Zn(s); E∘=−0.76 VE^\circ = -0.76\,\text{V}E∘=−0.76VCa2+ (aq)+2e−→Ca (s)\text{Ca}^{2+}\,(\text{aq}) + 2e^- \rightarrow \text{Ca}\,(\text{s})Ca2+(aq)+2e−→Ca(s); E∘=−2.87 VE^\circ = -2.87\,\text{V}E∘=−2.87VMg2+ (aq)+2e−→Mg (s)\text{Mg}^{2+}\,(\text{aq}) + 2e^- \rightarrow \text{Mg}\,(\text{s})Mg2+(aq)+2e−→Mg(s); E∘=−2.36 VE^\circ = -2.36\,\text{V}E∘=−2.36VNi2+ (aq)+2e−→Ni (s)\text{Ni}^{2+}\,(\text{aq}) + 2e^- \rightarrow \text{Ni}\,(\text{s})Ni2+(aq)+2e−→Ni(s); E∘=−0.25 VE^\circ = -0.25\,\text{V}E∘=−0.25VThe reducing power of the metals increases in the order:a.Ca<Zn<Mg<Ni\text{Ca} < \text{Zn} < \text{Mg} < \text{Ni}Ca<Zn<Mg<Nib.Ni<Zn<Mg<Ca\text{Ni} < \text{Zn} < \text{Mg} < \text{Ca}Ni<Zn<Mg<Cac.Zn<Mg<Ni<Ca\text{Zn} < \text{Mg} < \text{Ni} < \text{Ca}Zn<Mg<Ni<Cad.Ca<Mg<Zn<Ni\text{Ca} < \text{Mg} < \text{Zn} < \text{Ni}Ca<Mg<Zn<NiLogin to continueOnly logged in users canattempt or see the solution.
