engineering chemistry MCQ #4950

The unit of the rate constant for a second-order reaction is

engineering chemistry MCQ #4950

  1. Question 1

    Q1. The unit of the rate constant for a second-order reaction is

    • A) M^-1 s^-1
    • B) M s^-1
    • C) s^-1
    • D) M² s^-1

    Answer: M^-1 s^-1

    Explanation: For a second-order reaction, rate = k[A]², so k has units of concentration^-1 time^-1, typically M^-1 s^-1.