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In the galvanic cell Cu|Cu^(2+)||Ag^(+)|...

In the galvanic cell `Cu|Cu^(2+)||Ag^(+)|Ag`, the electrons flow from `Cu`- electrode at `Ag`- electrode. Answer the following questions regarding this cell:
(a). Which is the anode?
(b). Which is the cathode?
(c). What happends at anode-reduction or oxidation?
(d). What happens at cathode-oxidation or reduction?
(e). Which electrode loses mass?
(f). Which electrode gais mass?
(g). white the electrode reaction.
(h). Write the cell reaction.
(i). Which metal has greater tendency to loss electron-Cu or Ag?
(J) Which is the more reactive metal Cu or Ag?
(k). What is the function of salt bridge represented by the symbol||?

Text Solution

Verified by Experts

The correct Answer is:
(a). Cu.
(b). Ag
(c). Oxidation.
(d). Reduction
(e) Cu.
(f). Ag
(g) anode `CutoCu^(2+)+2e^(-)`, cathode `Ag^(+)e^(-)toAg`
(h). `Cu+2Ag^(+)toCu^(2+)+2Ag` (i). Cu
(j). Cu.
(k). To complete circuit and maintain electrical neutrality in solution.
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Knowledge Check

  • The anode is the electrode at which

    A
    electrons are given up by the reactant
    B
    electrons are accepted by the reactant
    C
    anions are produced
    D
    reduction takes place
  • In the cell Zn|Zn^(2+)||Cu^(2+)|Cu , the negative electrode is

    A
    Cu
    B
    `Cu^(2+)`
    C
    `Zn`
    D
    `Zn^(2+)`
  • In voltaic cell , oxidation occurs on which electrode ?

    A
    positive electrode
    B
    negative electrode
    C
    null electrode
    D
    reference electrode
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