Consider the below electrochemical cell at standard conditions. Which of the following changes
would result in a voltage larger than 1.29 V?
4MnO4- (aq) + 4H+ (aq) + 4MnO2 (s) + 3O2 (g) + 2H2O E° = 1.29 V
a. Increase the partial pressure of oxygen gas.
b. Increase the mass of solid manganese(IV) oxide present.
C. Increase the pH.
d. Increase the concentration of potassium permanganate.

Question

06-05-2021
Chemistry

Answered

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Consider the below electrochemical cell at standard conditions. Which of the following changes
would result in a voltage larger than 1.29 V?
4MnO4- (aq) + 4H+ (aq) + 4MnO2 (s) + 3O2 (g) + 2H2O E° = 1.29 V
a. Increase the partial pressure of oxygen gas.
b. Increase the mass of solid manganese(IV) oxide present.
C. Increase the pH.
d. Increase the concentration of potassium permanganate.

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