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Electrochemistry Test - 1

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Electrochemistry Test - 1
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Which of the following will not conduct electricity in aqueous solution

    Solution

    Sugar solution does not form ion; hence does not conduct electricity in solution.

     

  • Question 2
    1 / -0

    In aqueous solution, strong electrolytes

    Solution

    Strong electrolytes are almost completely ionised in polar solvent.

     

  • Question 3
    1 / -0

    Which  one of the following metals could not be obtained on electrolysis of aqueous solution of its salts

    Solution

    The reduction potential of Mg is less than that of water (E0 = -0.83V).Hence their ions in the aqueous solution cannot be reduced instead water will be reduced

    2H2O + 2e- → H2 + 2OH.

     

  • Question 4
    1 / -0

    Which of the following aqueous solution will conduct an electric current quite well

    Solution

    HCl is an electrolyte.

     

  • Question 5
    1 / -0

    Electrolysis involves oxidation and reduction respectively at

    Solution

    In electrolysis process oxidation occurs at anode and reduction occurs at cathode.

     

  • Question 6
    1 / -0

    Which of the following compounds will not undergo decomposition on passing electricity through aqueous solution

    Solution

    Because in it covalent bonding is present.

     

  • Question 7
    1 / -0

    During the electrolysis of an electrolyte, the number of ions produced, is directly proportional to the

    Solution

    According to Faraday’s law.

     

  • Question 8
    1 / -0

    In the electrolytic cell, flow of electrons is from

    Solution

    In electrolytic cell, cathode acts as source of electrons.

     

  • Question 9
    1 / -0

    An electric current is passed through an aqueous solution of the following. Which one shall decompose

    Solution

    AgNO3 is an electrolyte.

     

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