engineering chemistry MCQ #4903

For a second-order reaction, the half-life is

engineering chemistry MCQ #4903

  1. Question 1

    Q1. For a second-order reaction, the half-life is

    • A) independent of initial concentration
    • B) directly proportional to initial concentration
    • C) inversely proportional to initial concentration
    • D) directly proportional to square of initial concentration

    Answer: inversely proportional to initial concentration

    Explanation: For second-order, t1/2 = 1/(k[A]0), so t1/2 is inversely proportional to [A]0.