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Electrochemistr...

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  • Question 1
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  • Question 2
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    Calculate the standard free energy change for the reaction,
    2Ag + 2H+ → H2 + 2Ag+, Eo for Ag+ + e‒ → Ag is 0.80 V.

  • Question 3
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  • Question 4
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    An electrochemical cell is set up as follows:
    Pt (H2, 1 atm.) |0.1MHCl | 0.1M Acetic Acid| (H2 ,1atm.) pt.
    E.M.F. of this cell will not be zero because

  • Question 5
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    Which of the following is incorrect about transport number?

  • Question 6
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    Equal quantities of electricity are passed through three voltameters containing FeSO4, Fe2(SO4)3 and Fe(NO3)3 Consider the following statements in this regard:
    1. The amount of iron deposited in FeSO4 and Fe2 (SO4)3 are equal.
    2. The amount of iron deposited in Fe(NO3)3 is two third of the amount of iron deposited in FeSO4
    3. The amount of iron deposited in Fe2(SO4)3 and Fe(NO3)3 is equal of these statements

  • Question 7
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    If the oxidation potential be defined with reference to Ag/ Ag+ half cell ( for which oxidation potential is taken to be zero), which of the following will give the correct value of oxidation potential of 2 Cu/Cu+ half cell (Given that Cu/Cu2+ = ‒ 0.34 V and Ag/Ag+ = ‒ 0.80 V)

  • Question 8
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    The standard reduction potential for Cu2+/Cu is + 0.34V. The reduction potential at pH = 14 for the above couple is {[Cu2+] at pH 14 is 10-19}

  • Question 9
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  • Question 10
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    The reduction potential of hydrogen half- cell will be negative if

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