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Which reaction occurs at cathode in a ga...

Which reaction occurs at cathode in a galvanic cell ?

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The correct Answer is:
Reduction
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I. Cathode is -ve terminal both in electrochemical and electrolytic cells. II Reduction occurs at cathode both in galvanic as well as electrolytic cell. III. Chemical charge in electolytic cell is non-spontaneous

Which reaction occurs at the cathode during electrolysis of an aqueous solution of KCl?

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Knowledge Check

  • In galvanic cell

    A
    oxidation occurs at anode
    B
    reduction occurs at cathode
    C
    chemical energy is converted into electrical energy
    D
    all of these

  • I. Cathode is -ve terminal both in electrochemical and electrolytic cells. II Reduction occurs at cathode both in galvanic as well as electrolytic cell. III. Chemical charge in electolytic cell is non-spontaneous

    A
    if all the statement are correct
    B
    if II and III are correct
    C
    if I and III are correct
    D
    if only II is correct

  • Which reaction occurs at the cathode during electrolysis of an aqueous solution of KCl?

    A
    `k^(+)(aq)+e^(-)rarrK(S)`
    B
    `2H_(2)O(l)+2e^(-)rarrH_(2)(g)+2OH^(-)(aq)`
    C
    `2Cl^(-)(aq)rarrCl_(2)(g)+2e^(-)`
    D
    `2H_(2)O(l)rarrO_(2)(g)+4H^(+)(aq)+4e^(-)`
    • DINESH PUBLICATION-ELECTROCHEMISTRY-PROBLEMS FOR PRACTIVE
    1. Which reaction occurs at cathode in a galvanic cell ?

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    2. Can a half cell work independently ?

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    3. What is the direction of flow of electrons in the following cell ? Z...

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    4. Can 1M FeSO(4) solution be stored in nickel vessel ?

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    5. Predict whether the following redox reaction is feasible under the sta...

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    6. Can 1 M ZnSO(4) be stored in a vessel made up of copper ? Given : E(...

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    7. What is the cell potential of the following cell ? Zn(s)|Zn^(2+)(1.0...

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    8. A galvanic cell consists of a metallic zinc plate immersed in 0.1 M Zn...

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    9. Calculate the e.m.f. of the cell, Mg//Mg^(2+)(0.1 M)||Ag^(+)(1.0xx10...

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    10. Calculate the e.m.f. of the cell, Mg(s)//Mg^(+)(0.1 M)||Ag^(+)(1xx10...

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    11. Calculate the emf of the cell. Mg(s)|Mg^(2+) (0.2 M)||Ag^(+) (1xx10^...

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    12. Calculate the cell potential for the cell, Ni(s)//Ni^(2+)(0.1 M) || ...

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    13. (a) Calculate the potential of Zn^(2+)//Zn electrode in which zinc ion...

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    14. Calculate the e.m.f. of the cell, Zn(s)//Zn^(2+)(0.1 M) || Pb^(2+)(0...

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    15. Calculate the standard electrode potential of the Ni^(2+)//Ni electrod...

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    16. Calculate the e.m.f. of the cell, Cr//Cr^(3+)(0.1 M) || Fe^(2+)(0.01...

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    17. Calculate equilibrium constant for the reaction : Mg(s) |Mg^(2+)(0.0...

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    18. Calculate the emf for the following cell at 298 K. Cd//Cd^(2+)(0.1 M...

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    19. Standard electrode potentials are given as, E(Cu^(2+)//Cd)^(@)=0.34"...

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    20. Calculate the potential of the following cell reaction at 298 K Sn^(...

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