Question Detail
Question
The units for a second-order rate constant are:
Correct Answer
Option B is the correct answer.
Detailed Explanation
Rate has units M s⁻¹. For rate = k [A]², units: M s⁻¹ = k × M², so k = M⁻¹ s⁻¹.
Hint
Rearrange rate = k [concentration]ⁿ to solve for units of k.