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What Is the Balanced Redox Equation That Results from the Combination

Question 14

Multiple Choice

What is the balanced redox equation that results from the combination of the following half-reactions?
Cr3+ + 3e- What is the balanced redox equation that results from the combination of the following half-reactions? Cr<sup>3+</sup> + 3e<sup>-</sup> Cr and 2 Cl<sup>-</sup> Cl<sub>2</sub> + 2 e<sup>-</sup> A) CrCl<sub>2</sub><sup>+</sup> + e<sup>-</sup> Cr + Cl<sub>2</sub> B) Cr<sup>3+</sup> + 2 Cl<sup>-</sup> + e<sup>-</sup> Cr + Cl<sub>2</sub> C) Cr<sup>3+</sup> + 3 Cl<sup>-</sup> CrCl<sub>3</sub> D) 2 Cr<sup>3+</sup> + 6 Cl<sup>-</sup> + 3 e<sup>-</sup> 3 Cl<sub>2</sub> + 2 Cr + 2 e<sup>-</sup> E) 2 Cr<sup>3+</sup> + 6 Cl<sup>-</sup> 3 Cl<sub>2</sub> + 2 Cr Cr and 2 Cl- What is the balanced redox equation that results from the combination of the following half-reactions? Cr<sup>3+</sup> + 3e<sup>-</sup> Cr and 2 Cl<sup>-</sup> Cl<sub>2</sub> + 2 e<sup>-</sup> A) CrCl<sub>2</sub><sup>+</sup> + e<sup>-</sup> Cr + Cl<sub>2</sub> B) Cr<sup>3+</sup> + 2 Cl<sup>-</sup> + e<sup>-</sup> Cr + Cl<sub>2</sub> C) Cr<sup>3+</sup> + 3 Cl<sup>-</sup> CrCl<sub>3</sub> D) 2 Cr<sup>3+</sup> + 6 Cl<sup>-</sup> + 3 e<sup>-</sup> 3 Cl<sub>2</sub> + 2 Cr + 2 e<sup>-</sup> E) 2 Cr<sup>3+</sup> + 6 Cl<sup>-</sup> 3 Cl<sub>2</sub> + 2 Cr Cl2 + 2 e-


A) CrCl2+ + e- What is the balanced redox equation that results from the combination of the following half-reactions? Cr<sup>3+</sup> + 3e<sup>-</sup> Cr and 2 Cl<sup>-</sup> Cl<sub>2</sub> + 2 e<sup>-</sup> A) CrCl<sub>2</sub><sup>+</sup> + e<sup>-</sup> Cr + Cl<sub>2</sub> B) Cr<sup>3+</sup> + 2 Cl<sup>-</sup> + e<sup>-</sup> Cr + Cl<sub>2</sub> C) Cr<sup>3+</sup> + 3 Cl<sup>-</sup> CrCl<sub>3</sub> D) 2 Cr<sup>3+</sup> + 6 Cl<sup>-</sup> + 3 e<sup>-</sup> 3 Cl<sub>2</sub> + 2 Cr + 2 e<sup>-</sup> E) 2 Cr<sup>3+</sup> + 6 Cl<sup>-</sup> 3 Cl<sub>2</sub> + 2 Cr Cr + Cl2
B) Cr3+ + 2 Cl- + e- What is the balanced redox equation that results from the combination of the following half-reactions? Cr<sup>3+</sup> + 3e<sup>-</sup> Cr and 2 Cl<sup>-</sup> Cl<sub>2</sub> + 2 e<sup>-</sup> A) CrCl<sub>2</sub><sup>+</sup> + e<sup>-</sup> Cr + Cl<sub>2</sub> B) Cr<sup>3+</sup> + 2 Cl<sup>-</sup> + e<sup>-</sup> Cr + Cl<sub>2</sub> C) Cr<sup>3+</sup> + 3 Cl<sup>-</sup> CrCl<sub>3</sub> D) 2 Cr<sup>3+</sup> + 6 Cl<sup>-</sup> + 3 e<sup>-</sup> 3 Cl<sub>2</sub> + 2 Cr + 2 e<sup>-</sup> E) 2 Cr<sup>3+</sup> + 6 Cl<sup>-</sup> 3 Cl<sub>2</sub> + 2 Cr Cr + Cl2
C) Cr3+ + 3 Cl- What is the balanced redox equation that results from the combination of the following half-reactions? Cr<sup>3+</sup> + 3e<sup>-</sup> Cr and 2 Cl<sup>-</sup> Cl<sub>2</sub> + 2 e<sup>-</sup> A) CrCl<sub>2</sub><sup>+</sup> + e<sup>-</sup> Cr + Cl<sub>2</sub> B) Cr<sup>3+</sup> + 2 Cl<sup>-</sup> + e<sup>-</sup> Cr + Cl<sub>2</sub> C) Cr<sup>3+</sup> + 3 Cl<sup>-</sup> CrCl<sub>3</sub> D) 2 Cr<sup>3+</sup> + 6 Cl<sup>-</sup> + 3 e<sup>-</sup> 3 Cl<sub>2</sub> + 2 Cr + 2 e<sup>-</sup> E) 2 Cr<sup>3+</sup> + 6 Cl<sup>-</sup> 3 Cl<sub>2</sub> + 2 Cr CrCl3
D) 2 Cr3+ + 6 Cl- + 3 e- What is the balanced redox equation that results from the combination of the following half-reactions? Cr<sup>3+</sup> + 3e<sup>-</sup> Cr and 2 Cl<sup>-</sup> Cl<sub>2</sub> + 2 e<sup>-</sup> A) CrCl<sub>2</sub><sup>+</sup> + e<sup>-</sup> Cr + Cl<sub>2</sub> B) Cr<sup>3+</sup> + 2 Cl<sup>-</sup> + e<sup>-</sup> Cr + Cl<sub>2</sub> C) Cr<sup>3+</sup> + 3 Cl<sup>-</sup> CrCl<sub>3</sub> D) 2 Cr<sup>3+</sup> + 6 Cl<sup>-</sup> + 3 e<sup>-</sup> 3 Cl<sub>2</sub> + 2 Cr + 2 e<sup>-</sup> E) 2 Cr<sup>3+</sup> + 6 Cl<sup>-</sup> 3 Cl<sub>2</sub> + 2 Cr 3 Cl2 + 2 Cr + 2 e-
E) 2 Cr3+ + 6 Cl- What is the balanced redox equation that results from the combination of the following half-reactions? Cr<sup>3+</sup> + 3e<sup>-</sup> Cr and 2 Cl<sup>-</sup> Cl<sub>2</sub> + 2 e<sup>-</sup> A) CrCl<sub>2</sub><sup>+</sup> + e<sup>-</sup> Cr + Cl<sub>2</sub> B) Cr<sup>3+</sup> + 2 Cl<sup>-</sup> + e<sup>-</sup> Cr + Cl<sub>2</sub> C) Cr<sup>3+</sup> + 3 Cl<sup>-</sup> CrCl<sub>3</sub> D) 2 Cr<sup>3+</sup> + 6 Cl<sup>-</sup> + 3 e<sup>-</sup> 3 Cl<sub>2</sub> + 2 Cr + 2 e<sup>-</sup> E) 2 Cr<sup>3+</sup> + 6 Cl<sup>-</sup> 3 Cl<sub>2</sub> + 2 Cr 3 Cl2 + 2 Cr

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