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Electrochemistr...

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  • Question 1
    4 / -1

    From the solution of an electrolyte, one mole of electron will deposit at cathode.

  • Question 2
    4 / -1

    When an electric current is passed through acidulated water, 112 ml of hydrogen gas at NTP is collected at the cathode in 965 seconds.The current passed in amperes, is

  • Question 3
    4 / -1

    The charge required to librerate 11.5 g sodium from fused sodium chloride is

  • Question 4
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    How long will it take for a current of 3 amperes to decompose 36 g of water ? ( Eq. wt of hydrogen is 1 and that of oxygen 8)

  • Question 5
    4 / -1

    What is the amount of chlorine evolved when 2 amperes of current is passed for 30 minutes in an aqueous solution of NaCl ?

  • Question 6
    4 / -1

    The same amount of electricity was passed through two separate electrolytic cells containing solutions of nickel nitrate and chromium nitrate respectively. If 0.3 g of nickel was deposited in the first cell, the amount of chromium deposited is (At wt. Ni = 59, Cr = 52)

  • Question 7
    4 / -1

    How much quanitity of electricity has to be passed through 200 ml of 0.5 M CuSO4 solution to completely deposit copper

  • Question 8
    4 / -1

    Time required to deposit one millimole of aluminium metal by the passage of 9.65 amperes through aqueous solution of aluminium ions is

  • Question 9
    4 / -1

  • Question 10
    4 / -1

    The standard reduction potential for Fe2+/Fe and Sn2+/Sn electrodes are ‒ 0.44 and ‒ 0.14 volt respectively. For the cell reaction : Fe2+ + Sn → Fe + Sn2+, the standard emf is

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