Consider the following galvanic cell reaction at 25 oC, 4 Cr2+(aq) + O2(g) + 4 H3O+(aq) → 4 Cr3+(aq) + 6 H2O(l). Which of the following statements best describes what would happen to the cell potential if the concentration of Cr2+ is increased? (a) The cell potential would become less positive. (b) The cell potential would become more positive. (c) The cell potential would remain the same. (d) It is impossible to tell.
Consider the following galvanic cell reaction at 25 oC, 4 Cr2+(aq) + O2(g) + 4 H3O+(aq) → 4 Cr3+(aq) + 6 H2O(l). Which of the following statements best describes what would happen to the cell potential if the concentration of Cr2+ is increased? (a) The cell potential would become less positive. (b) The cell potential would become more positive. (c) The cell potential would remain the same. (d) It is impossible to tell.
Chapter18: Introduction To Electrochemistry
Section: Chapter Questions
Problem 18.18QAP
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Question
Consider the following galvanic cell reaction at 25 oC, 4 Cr2+(aq) + O2(g) + 4 H3O+(aq) → 4 Cr3+(aq) + 6 H2O(l). Which of the
following statements best describes what would happen to the cell potential if the concentration of Cr2+ is increased?
(a) The cell potential would become less positive.
(b) The cell potential would become more positive.
(c) The cell potential would remain the same.
(d) It is impossible to tell.
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