Electrochemistry - Result Question 38

####37. The standard reduction-potential for the half-cell

NO3(aq)+2H++eNO2(g)+H2O is 0.78V

(i) Calculate the reduction-potential in 8MH+.

(ii) What will be the reduction-potential of the half-cell in a neutral solution? Assume all the other species to be at unit concentration.

(1993, 2M)

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Solution:

  1. (i) E=0.780.0592log182=0.887V

(ii) E=0.780.0592log1(107)2=0.0488V



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