Consider a galvanic cell based in the reaction Fe2+ + Cr2O72 Fe3+ ...

[biggirl4568]

Question 1

Consider a galvanic cell based in the reaction Fe²⁺ + Cr₂O₇^2-→ Fe³⁺ + Cr³⁺ in acidic solution. Calculate the voltage of the standard cell carrying out this reaction.

Reference: Ref 18-2

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◦ 0
◦ 0.21 V
◦ -0.21 V
◦ 0.56 V
◦ -0.56 V

Question 2

Consider a galvanic cell based in the reaction Fe²⁺ + Cr₂O₇^2–→ Fe³⁺ + Cr³⁺ in acidic solution. What is the coefficient of Fe³⁺ in the balanced equation?

Reference: Ref 18-2

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◦ 6
◦ 2
◦ 3
◦ 4
◦ None of these are correct.

[macmac]

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