Solution In Orp Measurement

Reduction

E°, Volts

O3 + 2H3O+ + 2e" = O2 + 3H2O

+2.070

Cr2O72" + 14H3O+ + 6e" = 2Cr3+ + 21H2O

+ 1.330

ClO" + H2O + 2e" = CU + 2OH"

+0.890

Fe3+ + e" = Fe2+

+0.770

Ag/AgCl electrode 4 M KCl

+0.199

2H3O+ + 2e" = H2 + 2H2O

0 0

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