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What Is E°cell for the Following Reaction,and Is It Spontaneous

question 55

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What is E°cell for the following reaction,and is it spontaneous or nonspontaneous under standard-state conditions? 2Fe3+(aq) + 2H2O(l) → H2O2(aq) + 2H+(aq) + 2Fe2+(aq)
Given:
H2O2(aq) + 2H+(aq) + 2e-
What is E°<sub>cell</sub> for the following reaction,and is it spontaneous or nonspontaneous under standard-state conditions? 2Fe<sup>3+</sup>(aq) + 2H<sub>2</sub>O(l) → H<sub>2</sub>O<sub>2</sub>(aq) + 2H<sup>+</sup>(aq) + 2Fe<sup>2+</sup>(aq)  Given: H<sub>2</sub>O<sub>2</sub>(aq) + 2H<sup>+</sup>(aq) + 2e<sup>-</sup> <sup> </sup>   2H<sub>2</sub>O(l) E° = 1.77V Fe<sup>3+</sup>(aq) + e<sup>-</sup>   Fe<sup>2+</sup>(aq) E° = 0.77V A) E°<sub>cell</sub> = -1.00 V,nonspontaneous B) E°<sub>cell</sub> = -1.00 V,spontaneous C) E°<sub>cell</sub> = 1.00 V,nonspontaneous D) E°<sub>cell</sub> = 1.00 V,spontaneous E) E°<sub>cell</sub> = -0.23 V,nonspontaneous 2H2O(l) E° = 1.77V
Fe3+(aq) + e- What is E°<sub>cell</sub> for the following reaction,and is it spontaneous or nonspontaneous under standard-state conditions? 2Fe<sup>3+</sup>(aq) + 2H<sub>2</sub>O(l) → H<sub>2</sub>O<sub>2</sub>(aq) + 2H<sup>+</sup>(aq) + 2Fe<sup>2+</sup>(aq)  Given: H<sub>2</sub>O<sub>2</sub>(aq) + 2H<sup>+</sup>(aq) + 2e<sup>-</sup> <sup> </sup>   2H<sub>2</sub>O(l) E° = 1.77V Fe<sup>3+</sup>(aq) + e<sup>-</sup>   Fe<sup>2+</sup>(aq) E° = 0.77V A) E°<sub>cell</sub> = -1.00 V,nonspontaneous B) E°<sub>cell</sub> = -1.00 V,spontaneous C) E°<sub>cell</sub> = 1.00 V,nonspontaneous D) E°<sub>cell</sub> = 1.00 V,spontaneous E) E°<sub>cell</sub> = -0.23 V,nonspontaneous Fe2+(aq) E° = 0.77V


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