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  • Try this! A hydrogen gas electrode is made by dipping platinum wire in a solution of HCl of pH = 10 and by passing hydrogen gas around the platinum wire at one atm pressure. The oxidation potential electrode would be ?

A hydrogen gas electrode is made by dipping platinum wire in a solution of HCl of pH = 10 and by passing hydrogen gas around the platinum wire at one atm pressure. The oxidation potential electrode would be ?

  • Option 1)

    1.18 V

  • Option 2)

    0.059 V

  • Option 3)

    0.59 V

  • Option 4)

    0.118 V

 

Answers (1)

best_answer

H_{2}\rightarrow 2H^{+}+2e^{-}

1 atm                   10-10

\frac{EH_{2}}{H^{+}}=0-\frac{0.059}{2}log\frac{(10^{-10})^{2}}{1}

\frac{EH_{2}}{H^{+}}= 0.59v


Option 1)

1.18 V

Option is incorrect

Option 2)

0.059 V

Option is incorrect

Option 3)

0.59 V

Option is correct

Option 4)

0.118 V

Option is incorrect

Posted by

prateek

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