What is the standard electrode potential of NHE?

Answer:

The standard electrode potential of normal electrode potential is Zero.
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For the cell:
Sn(s) + Sn2+ (aq) || H+ (aq) | H2(g) || Pt.
Write the electrode reactions.



Answer:
At anode: Sn(s) →Sn2+ (aq) + 2e
At cathode: 2H+ (aq) + 2e → H2(g)

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What is the effect of temperature on the metallic conductance?


Answer:
The metallic conductance decreases with increase of temperature and vice-versa.
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What is the EMF of the cell when the cell reaction attains equilibrium?

Answer:

When the cell reaction attains equilibrium the EMF of the cell Zero.
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To deposit 1 mole of aluminium from an aqueous solution of A12(SO4)3. What is the amount of electricity (in coulombs) required?

Answer:
Q = n(e-) x F

For deposition of one mole of aluminium (96500 x 3) coulombs are required.
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