MDCAT Chemistry MCQ #574

In a laboratory experiment, doubling the concentration of the nucleophile results in doubling the rate of substitution for a primary alkyl halide. What is the kinetic order?

MDCAT Chemistry MCQ #574

  1. Question 1

    Q1. In a laboratory experiment, doubling the concentration of the nucleophile results in doubling the rate of substitution for a primary alkyl halide. What is the kinetic order?

    • A) First order
    • B) Second order
    • C) Third order
    • D) Zero order

    Answer: Second order

    Explanation: SN2 rate depends on both the alkyl halide and the nucleophile concentration. SN1 is tempting but its rate only depends on the alkyl halide.