In hydrogen electrode, why is the platin...

In hydrogen electrode, why is the platinum foil covered with platinum black?

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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 1 atm pressure. The oxidation potential of electrode would be -

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CHHAYA PUBLICATION-ELECTROCHEMISTRY-EXERCISE (VERY SHORT ANSWER-TYPE QUESTIONS )

What is the charge of cathode and anode in a galvanic cell.
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Why is KNO(3) used in salt-bridge?
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In hydrogen electrode, why is the platinum foil covered with platinum ...
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What does the high negative value of standard reduction potential of ...
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What does the high positive value of standard reduction potential of a...
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Write the direction of electron flow in the outer circuit when a stand...
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How does the reducing power of elements change from top to bottom of t...
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On what factors, does the value of electrode potential depend?
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The standard reduction potential of Zn^(2+)|Zn electrode is -0.76 V. ...
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What will be the standard reduction potential of an electrode, if its ...
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Write the electrode reactions and cell reactions of a Daniell cell.
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Write the equation for determination of electromotive force of a cell ...
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Standard reduction potential of the electrode X|X^(+) is +0.80V. If ...
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What will be the electrode potential of a standard hydrogen electrode ...
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Write symbolic representation of a standard hydrogen electrode.
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What does the negative value of E("cell")^(@) of a galvanic cell mean...
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Write the relation between the E("cell")^(@) of a galvanic cell and th...
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Which one among Li^(+), Na^(+) and Mg^(2+) is the most powerful oxidis...
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The standard reduction potential of metals A, B and C are -2.37V, +1.8...
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Arrange Ag^(+), Zn^(2+), H^(+) and Na^(+) in order of their tendency t...
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