State what is the standad potential for i being reduced

Reference no: EM13176457

what is the standad potential for I 2 being reduced to I- given that the standard reduction potential for Cr2O7 2- changing to Cr3+ is +1.33V I got to:

6(I -) (aq) --> 3 (I 2) (aq) + e-

2(Cr) 3+ + 5 e- --> (Cr2 O7)2-

How do I get the Standard potential Energy? (It should be +0.54V)

Reference no: EM13176457

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