In order to determine the identity of a particular transition metal (M) ,a voltaic cell is constructed at 25°C with the anode consisting of the transition metal as the electrode immersed in a solution of 0.0977 M M(NO₃) ₂,and the cathode consisting of a copper electrode immersed in a 0.0724M Cu(NO₃) ₂ solution.The two half-reactions are as follows:
M(s) M²⁺(aq) + 2e^-
Cu²⁺(aq) + 2e^- Cu(s)
The potential measured across the cell is 1.13 V.What is the identity of the metal M?
Reduction Half-Reaction
E° (V)
Cu²⁺(aq) + 2e^- Cu(s) +0.34
Ni²⁺(aq) + 2e^- Ni(s) -0.23
Cd²⁺(aq) + 2e^- Cd(s) - 0.40
Zn²⁺(aq) + 2e^- Zn(s) -0.76
Mn²⁺(aq) + 2e^- Mn(s) -1.18

Question

In order to determine the identity of a particular transition metal (M) ,a voltaic cell is constructed at 25°C with the anode consisting of the transition metal as the electrode immersed in a solution of 0.0977 M M(NO₃) ₂,and the cathode consisting of a copper electrode immersed in a 0.0724M Cu(NO₃) ₂ solution.The two half-reactions are as follows:
M(s)

M²⁺(aq) + 2e^-
Cu²⁺(aq) + 2e^-

Cu(s)
The potential measured across the cell is 1.13 V.What is the identity of the metal M?
Reduction Half-Reaction
E° (V)
Cu²⁺(aq) + 2e^-

Cu(s) +0.34
Ni²⁺(aq) + 2e^-

Ni(s) -0.23
Cd²⁺(aq) + 2e^-

Cd(s) - 0.40
Zn²⁺(aq) + 2e^-

Zn(s) -0.76
Mn²⁺(aq) + 2e^-

Mn(s) -1.18

Quizplus · Accepted Answer

The Answer of In order to determine the identity of a particular transition metal (M),a voltaic cell is constructed at 25°C with the anode consisting of the transition metal as the electrode immersed in a solution of 0.0977 M M(NO₃)₂,and the cathode consisting of a copper electrode immersed in a 0.0724M Cu(NO₃)₂ solution.The two half-reactions are as follows: M(s) M²⁺(aq)+ 2e^- Cu²⁺(aq)+ 2e^- Cu(s) The potential measured across the cell is 1.13 V.What is the identity of the metal M? Reduction Half-Reaction E° (V) Cu²⁺(aq)+ 2e^- Cu(s) +0.34 Ni²⁺(aq)+ 2e^- Ni(s) -0.23 Cd²⁺(aq)+ 2e^- Cd(s) - 0.40 Zn²⁺(aq)+ 2e^- Zn(s)-0.76 Mn²⁺(aq)+ 2e^- Mn(s) -1.18

In Order to Determine the Identity of a Particular Transition