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The Half- Reaction Occurring at the Anode in the Balanced

Question 43

Multiple Choice

The half- reaction occurring at the anode in the balanced reaction shown below is . The half- reaction occurring at the anode in the balanced reaction shown below is . A) 2MnO<sub>4</sub><sup>- </sup>(aq) + 12H<sup>+ </sup>(aq) + 6e<sup>- </sup>- 2Mn<sup>2</sup><sup>+ </sup>(aq) + 3H<sub>2</sub>O (l) B) Fe (s) -Fe<sup>2</sup><sup>+</sup><sup> </sup>(aq) + 2e<sup>-</sup> C) Fe (s) -Fe<sup>3</sup><sup>+</sup><sup> </sup>(aq) + 3e<sup>-</sup> D) Fe<sup>2</sup><sup>+ </sup>(aq) - Fe<sup>3</sup><sup>+ </sup>(aq) + e<sup>-</sup> E) MnO<sub>4</sub><sup>-</sup><sup> </sup><sup> </sup>(aq) + 8H<sup>+</sup><sup> </sup>(aq) + 5e<sup>-</sup><sup> </sup><sup> </sup>-Mn<sup>2</sup><sup>+</sup><sup> </sup>(aq) + 4H<sub>2</sub>O (l)


A) 2MnO4- (aq) + 12H+ (aq) + 6e- - 2Mn2+ (aq) + 3H2O (l)
B) Fe (s) -Fe2+ (aq) + 2e-
C) Fe (s) -Fe3+ (aq) + 3e-
D) Fe2+ (aq) - Fe3+ (aq) + e-
E) MnO4- (aq) + 8H+ (aq) + 5e- -Mn2+ (aq) + 4H2O (l)

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