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Write the reduction and oxidation half r...

Write the reduction and oxidation half reactions for Daniell cell.

Text Solution

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(i) `Cu^(2+) + 2e^(-) to Cu` (s) (reduction half reaction)
(ii)`Zn (s) to Zn^(2+) (aq) + 2e^(-)` (oxidation half reaction)
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Knowledge Check

  • Daniel cell is

    A
    irreversible voltaic cell
    B
    reversible voltaic cell
    C
    reversible secondary cell
    D
    irreversible secondary cell

  • In a Daniel cell,

    A
    the chemical energy liberted during the redox reaction is converted to electrical energy
    B
    the electrical energy of the cell is converted to chemical energy
    C
    the energy of the cell is utilised in conduction of the redox reaction
    D
    the potential energy of the cell is converted into electrical energy.

  • In a daniel cell

    A
    The chemcial energy liberated during the redox reactioin is converted to electrical energy
    B
    The electrical energy of the cell is converted to chemical energy
    C
    The energy of the cell is utilised in conduction of the redox reaction
    D
    The potential energy of the cell is converted into electrical energy

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    Write the Nernst equation for the cell reaction in the Daniel cell. How will the E_(cell) be affected when concentration of Zn^(+) ions is increased?

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    In a daniel cell

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