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The Standard Reduction Potentials Are as Follows: Cr3+(aq)+ 3 E-

Question 46

Multiple Choice

The standard reduction potentials are as follows: Cr3+(aq) + 3 e- → Cr(s) ; E° = -0.74 V
Fe2+(aq) + 2 e- → Fe(s) ; E° = -0.41 V
Calculate the standard Gibbs free energy change for the following reaction.
2 Cr(s) + 3 Fe2+ → 3 Fe(s) + 2 Cr3+(aq)


A) 191 kJ
B) 63.7 kJ
C) -504 kJ
D) -191 kJ
E) 1060 kJ

Correct Answer:

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