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Why a dry cell becomes dead after a long...

Why a dry cell becomes dead after a long time even if it is not used ?

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Assertion A dry cell becomes dead after long time even if it has not been used. Reason The NH_(4)Cl solwly and gradually corrods the zinc container.

MODERN PUBLICATION-ELECTROCHEMISTRY -REVISION EXERCISES OBJECTIVE QUESTIONS Short Answer Questions
  1. The electric charge for electrode deposition of one gram equivalent of...

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  2. Degree of dissociation of weak electrolyte AB is

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  3. Why a dry cell becomes dead after a long time even if it is not used ?

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  4. FUEL CELLS

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  5. Calculate the standard electrode potential of Ni^(2+)/Ni electrode if ...

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  6. Calculate the maximum work that can be obtained from the daniell call ...

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  7. How many copper will be deposited at cathode of an electrolytic cell c...

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  8. Define molar conductivity of a solution and explain how molar conducti...

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  9. Molar conductivity of a weak acid HA at infinite dilution is 345.8 Scm...

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

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  11. 0.1 M solution of an electrolyte A^(+)B^(-) placed in a conductivity c...

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  12. Calculate the number of coulombs required to deposit 40.5 g Al when th...

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  13. The equilibrium constant (K) for the reaction Cu(s)+2Ag^(+) (aq) rar...

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  14. Where are B-cells and T-cells formed? How do they differ from each oth...

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  15. While charging the lead storage battery:

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  16. The standard electrode potential for Deniell cell is 1.1V. Calculate t...

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

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  18. How much charge in faraday is required for the reduction of 1 mole of ...

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  19. The conductivity of an electrolytic solution decreases on dilution due...

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  20. EMF of an H(2)-O(2) fuel cell

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