engineering chemistry MCQ #3087

The pE of a solution is 5. What is the ratio of oxidized to reduced species?

engineering chemistry MCQ #3087

  1. Question 1

    Q1. The pE of a solution is 5. What is the ratio of oxidized to reduced species?

    • A) 10^5
    • B) 10^-5
    • C) 10^10
    • D) 10^-10

    Answer: 10^5

    Explanation: pE = log(ox/red), so ox/red = 10^(pE) = 10^5, using the Nernst equation.