Concept explainers
(a)
Interpretation:
The cell reaction, electrode half-reaction and Nernst equation for the given cell has to be written.
Concept Introduction:
Cell reaction:
The overall reaction which takes place in the cell, written on the assumption that the right hand electrode is the cathode, that is assuming that the spontaneous reaction is the reduction that occurs in the right hand compartment.
Electrode half-reaction:
On the anode half reaction, oxidation occurs. For example,
On the cathode half reaction, reduction occurs. For example,
Nernst equation:
It is an equation that relates the reduction potential of an
The Nernst equation for an electrochemical half-cell is
The Nernst equation for an electrochemical reaction (full cell)
(a)
Explanation of Solution
The given cell is
The half-cell reaction can be given as
Right-hand half-reaction:
Left-hand half-reaction:
The combination of right-hand half-reaction and left-hand half-reaction gives an overall cell reaction.
The common components on both sides gets cancelled. The cell reaction is given as
Nernst equation:
It is a one-electron reaction. Assuming that solutions are sufficiently dilute, the Nernst equation can be given as
(b)
Interpretation:
The cell reaction, electrode half-reaction and Nernst equation for the given cell has to be written.
Concept Introduction:
Cell reaction:
The overall reaction which takes place in the cell, written on the assumption that the right hand electrode is the cathode, that is assuming that the spontaneous reaction is the reduction that occurs in the right hand compartment.
Electrode half-reaction:
On the anode half reaction, oxidation occurs. For example,
On the cathode half reaction, reduction occurs. For example,
Nernst equation:
It is an equation that relates the reduction potential of an electrochemical reaction to the standard electrode potential, temperature and concentrations of chemical species undergoing reduction and oxidation.
The Nernst equation for an electrochemical half-cell is
The Nernst equation for an electrochemical reaction (full cell)
(b)
Explanation of Solution
The given cell is
The half-cell reaction can be given as
Right-hand half-reaction:
Left-hand half-reaction:
The combination of right-hand half-reaction and left-hand half-reaction gives an overall cell reaction.
Nernst equation:
It is a one-electron reaction. Assuming that solutions are sufficiently dilute, the Nernst equation can be given as
(c)
Interpretation:
The cell reaction, electrode half-reaction and Nernst equation for the given cell has to be written.
Concept Introduction:
Cell reaction:
The overall reaction which takes place in the cell, written on the assumption that the right hand electrode is the cathode, that is assuming that the spontaneous reaction is the reduction that occurs in the right hand compartment.
Electrode half-reaction:
On the anode half reaction, oxidation occurs. For example,
On the cathode half reaction, reduction occurs. For example,
Nernst equation:
It is an equation that relates the reduction potential of an electrochemical reaction to the standard electrode potential, temperature and concentrations of chemical species undergoing reduction and oxidation.
The Nernst equation for an electrochemical half-cell is
The Nernst equation for an electrochemical reaction (full cell)
(c)
Explanation of Solution
The given cell is
The half-cell reaction can be given as
Right-hand half-reaction:
It corresponds to the reduction of
Left-hand half-reaction:
It corresponds to the reduction of
The combination of right-hand half-reaction and left-hand half-reaction gives an overall cell reaction. By reversing and doubling the
Nernst equation:
Assuming that solutions are sufficiently dilute, the Nernst equation can be given as
(d)
Interpretation:
The cell reaction, electrode half-reaction and Nernst equation for the given cell has to be written.
Concept Introduction:
Cell reaction:
The overall reaction which takes place in the cell, written on the assumption that the right hand electrode is the cathode, that is assuming that the spontaneous reaction is the reduction that occurs in the right hand compartment.
Electrode half-reaction:
On the anode half reaction, oxidation occurs. For example,
On the cathode half reaction, reduction occurs. For example,
Nernst equation:
It is an equation that relates the reduction potential of an electrochemical reaction to the standard electrode potential, temperature and concentrations of chemical species undergoing reduction and oxidation.
The Nernst equation for an electrochemical half-cell is
The Nernst equation for an electrochemical reaction (full cell)
(d)
Explanation of Solution
The given cell is
The half-cell reaction can be given as
Right-hand half-reaction:
It corresponds to the reduction of
Left-hand half-reaction:
It corresponds to the reduction of
The combination of right-hand half-reaction and left-hand half-reaction gives an overall cell reaction.
Nernst equation:
Assuming that solutions are sufficiently dilute, the Nernst equation can be given as
(e)
Interpretation:
The cell reaction, electrode half-reaction and Nernst equation for the given cell has to be written.
Concept Introduction:
Cell reaction:
The overall reaction which takes place in the cell, written on the assumption that the right hand electrode is the cathode, that is assuming that the spontaneous reaction is the reduction that occurs in the right hand compartment.
Electrode half-reaction:
On the anode half reaction, oxidation occurs. For example,
On the cathode half reaction, reduction occurs. For example,
Nernst equation:
It is an equation that relates the reduction potential of an electrochemical reaction to the standard electrode potential, temperature and concentrations of chemical species undergoing reduction and oxidation.
The Nernst equation for an electrochemical half-cell is
The Nernst equation for an electrochemical reaction (full cell)
(e)
Explanation of Solution
The given cell is
The half-cell reaction can be given as
Right-hand half-reaction:
It corresponds to the reduction of
Left-hand half-reaction:
It corresponds to the reduction of
The combination of right-hand half-reaction and left-hand half-reaction gives an overall cell reaction.
Nernst equation:
Assuming that solutions are sufficiently dilute, the Nernst equation can be given as
(f)
Interpretation:
The cell reaction, electrode half-reaction and Nernst equation for the given cell has to be written.
Concept Introduction:
Cell reaction:
The overall reaction which takes place in the cell, written on the assumption that the right hand electrode is the cathode, that is assuming that the spontaneous reaction is the reduction that occurs in the right hand compartment.
Electrode half-reaction:
On the anode half reaction, oxidation occurs. For example,
On the cathode half reaction, reduction occurs. For example,
Nernst equation:
It is an equation that relates the reduction potential of an electrochemical reaction to the standard electrode potential, temperature and concentrations of chemical species undergoing reduction and oxidation.
The Nernst equation for an electrochemical half-cell is
The Nernst equation for an electrochemical reaction (full cell)
(f)
Explanation of Solution
The given cell is
The half-cell reaction can be given as
Right-hand half-reaction:
It corresponds to the reduction of
Left-hand half-reaction:
It corresponds to the reduction of
The combination of right-hand half-reaction and left-hand half-reaction gives an overall cell reaction.
Nernst equation:
Assuming that solutions are sufficiently dilute, the Nernst equation can be given as
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