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Using the Following Reduction Half-Reactions and Their Respective Standard Reduction

Question 2

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Using the following reduction half-reactions and their respective standard reduction potentials at 25 °C,draw a diagram of a galvanic cell.
Cr2O72-(aq) + 14 H+(aq) + 6e- → 2 Cr3+(aq) + 7 H2O(l) E° = +1.33 V
Zn2+(aq) + 2 e- → Zn(s) E° = -0.763 V


A) Zn2+(aq) ∣ Zn(s) ,H+(aq) Using the following reduction half-reactions and their respective standard reduction potentials at 25 °C,draw a diagram of a galvanic cell. Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) + 14 H<sup>+</sup>(aq) + 6e<sup>-</sup> → 2 Cr<sup>3+</sup>(aq) + 7 H<sub>2</sub>O(l) E° = +1.33 V Zn<sup>2</sup>+(aq) + 2 e<sup>-</sup> → Zn(s) E° = -0.763 V A) Zn<sup>2+</sup>(aq) ∣ Zn(s) ,H<sup>+</sup>(aq)    Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) ,Cr(s) ∣ Cr<sup>3+</sup>(aq)  B) Zn(s) ∣ Zn<sup>2+</sup>(aq)    H<sup>+</sup>(aq) ,Cr<sup>3+</sup>(aq) ∣ Cr(s)  C) Cr(s) ∣ Cr<sup>3+</sup>(aq) ,H<sup>+</sup>(aq) ,Cr<sub>2</sub>O<sub>7</sub><sup>2</sup><sup>-</sup>(aq)    Zn(S) ∣ Zn<sup>2+</sup>(aq)  D) Zn(s) ∣ Zn<sup>2+</sup>(aq)    Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) ,H<sup>+</sup>(aq) ,Cr<sup>3+</sup>(aq) ∣ Pt(s)  E) Pt(s) ∣ Cr<sup>3+</sup>(aq) ,Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) ,H+(aq)    Zn<sup>2+</sup>(aq) ∣ Zn(s) Cr2O72-(aq) ,Cr(s) ∣ Cr3+(aq)
B) Zn(s) ∣ Zn2+(aq) Using the following reduction half-reactions and their respective standard reduction potentials at 25 °C,draw a diagram of a galvanic cell. Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) + 14 H<sup>+</sup>(aq) + 6e<sup>-</sup> → 2 Cr<sup>3+</sup>(aq) + 7 H<sub>2</sub>O(l) E° = +1.33 V Zn<sup>2</sup>+(aq) + 2 e<sup>-</sup> → Zn(s) E° = -0.763 V A) Zn<sup>2+</sup>(aq) ∣ Zn(s) ,H<sup>+</sup>(aq)    Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) ,Cr(s) ∣ Cr<sup>3+</sup>(aq)  B) Zn(s) ∣ Zn<sup>2+</sup>(aq)    H<sup>+</sup>(aq) ,Cr<sup>3+</sup>(aq) ∣ Cr(s)  C) Cr(s) ∣ Cr<sup>3+</sup>(aq) ,H<sup>+</sup>(aq) ,Cr<sub>2</sub>O<sub>7</sub><sup>2</sup><sup>-</sup>(aq)    Zn(S) ∣ Zn<sup>2+</sup>(aq)  D) Zn(s) ∣ Zn<sup>2+</sup>(aq)    Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) ,H<sup>+</sup>(aq) ,Cr<sup>3+</sup>(aq) ∣ Pt(s)  E) Pt(s) ∣ Cr<sup>3+</sup>(aq) ,Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) ,H+(aq)    Zn<sup>2+</sup>(aq) ∣ Zn(s) H+(aq) ,Cr3+(aq) ∣ Cr(s)
C) Cr(s) ∣ Cr3+(aq) ,H+(aq) ,Cr2O72-(aq) Using the following reduction half-reactions and their respective standard reduction potentials at 25 °C,draw a diagram of a galvanic cell. Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) + 14 H<sup>+</sup>(aq) + 6e<sup>-</sup> → 2 Cr<sup>3+</sup>(aq) + 7 H<sub>2</sub>O(l) E° = +1.33 V Zn<sup>2</sup>+(aq) + 2 e<sup>-</sup> → Zn(s) E° = -0.763 V A) Zn<sup>2+</sup>(aq) ∣ Zn(s) ,H<sup>+</sup>(aq)    Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) ,Cr(s) ∣ Cr<sup>3+</sup>(aq)  B) Zn(s) ∣ Zn<sup>2+</sup>(aq)    H<sup>+</sup>(aq) ,Cr<sup>3+</sup>(aq) ∣ Cr(s)  C) Cr(s) ∣ Cr<sup>3+</sup>(aq) ,H<sup>+</sup>(aq) ,Cr<sub>2</sub>O<sub>7</sub><sup>2</sup><sup>-</sup>(aq)    Zn(S) ∣ Zn<sup>2+</sup>(aq)  D) Zn(s) ∣ Zn<sup>2+</sup>(aq)    Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) ,H<sup>+</sup>(aq) ,Cr<sup>3+</sup>(aq) ∣ Pt(s)  E) Pt(s) ∣ Cr<sup>3+</sup>(aq) ,Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) ,H+(aq)    Zn<sup>2+</sup>(aq) ∣ Zn(s) Zn(S) ∣ Zn2+(aq)
D) Zn(s) ∣ Zn2+(aq) Using the following reduction half-reactions and their respective standard reduction potentials at 25 °C,draw a diagram of a galvanic cell. Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) + 14 H<sup>+</sup>(aq) + 6e<sup>-</sup> → 2 Cr<sup>3+</sup>(aq) + 7 H<sub>2</sub>O(l) E° = +1.33 V Zn<sup>2</sup>+(aq) + 2 e<sup>-</sup> → Zn(s) E° = -0.763 V A) Zn<sup>2+</sup>(aq) ∣ Zn(s) ,H<sup>+</sup>(aq)    Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) ,Cr(s) ∣ Cr<sup>3+</sup>(aq)  B) Zn(s) ∣ Zn<sup>2+</sup>(aq)    H<sup>+</sup>(aq) ,Cr<sup>3+</sup>(aq) ∣ Cr(s)  C) Cr(s) ∣ Cr<sup>3+</sup>(aq) ,H<sup>+</sup>(aq) ,Cr<sub>2</sub>O<sub>7</sub><sup>2</sup><sup>-</sup>(aq)    Zn(S) ∣ Zn<sup>2+</sup>(aq)  D) Zn(s) ∣ Zn<sup>2+</sup>(aq)    Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) ,H<sup>+</sup>(aq) ,Cr<sup>3+</sup>(aq) ∣ Pt(s)  E) Pt(s) ∣ Cr<sup>3+</sup>(aq) ,Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) ,H+(aq)    Zn<sup>2+</sup>(aq) ∣ Zn(s) Cr2O72-(aq) ,H+(aq) ,Cr3+(aq) ∣ Pt(s)
E) Pt(s) ∣ Cr3+(aq) ,Cr2O72-(aq) ,H+(aq) Using the following reduction half-reactions and their respective standard reduction potentials at 25 °C,draw a diagram of a galvanic cell. Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) + 14 H<sup>+</sup>(aq) + 6e<sup>-</sup> → 2 Cr<sup>3+</sup>(aq) + 7 H<sub>2</sub>O(l) E° = +1.33 V Zn<sup>2</sup>+(aq) + 2 e<sup>-</sup> → Zn(s) E° = -0.763 V A) Zn<sup>2+</sup>(aq) ∣ Zn(s) ,H<sup>+</sup>(aq)    Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) ,Cr(s) ∣ Cr<sup>3+</sup>(aq)  B) Zn(s) ∣ Zn<sup>2+</sup>(aq)    H<sup>+</sup>(aq) ,Cr<sup>3+</sup>(aq) ∣ Cr(s)  C) Cr(s) ∣ Cr<sup>3+</sup>(aq) ,H<sup>+</sup>(aq) ,Cr<sub>2</sub>O<sub>7</sub><sup>2</sup><sup>-</sup>(aq)    Zn(S) ∣ Zn<sup>2+</sup>(aq)  D) Zn(s) ∣ Zn<sup>2+</sup>(aq)    Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) ,H<sup>+</sup>(aq) ,Cr<sup>3+</sup>(aq) ∣ Pt(s)  E) Pt(s) ∣ Cr<sup>3+</sup>(aq) ,Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup>(aq) ,H+(aq)    Zn<sup>2+</sup>(aq) ∣ Zn(s) Zn2+(aq) ∣ Zn(s)

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