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The haf reaction occuring in the standard hydrogen electrode \"SHE\" is 2H+ (aq) +2e- <=> H2 (g) a)...

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Chemistry

The haf reaction occuring in the standard hydrogen electrode\"SHE\" is
2H+ (aq) +2e- <=> H2 (g)

a) What is the EMF for this half-cell?
b) How is the EMF value listed in part (a) above for the standardydrogen electrode measured?
c) Why do we need a \"standard reference electrode\" like thishydrogen half-cell?
d) How is SHE used to determine unknown half-cell voltages?

Answer & Explanation Solved by verified expert
4.1 Ratings (703 Votes)
We know emf of 2H aq 2e H2 g This half reaction is 0 V As we go above the EMV table we find that strength of oxidizing agent is increased And strength of reducing agent is    See Answer
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