The unit of rate constant for the reaction………….

Class 12th Chemistry, Question -The unit of rate constant for the reaction 2A + 2B → A2B2 which has rate = k [A]2 [B] is:

These are the options for the question :The unit of rate constant for the reaction 2A + 2B → A2B2 which has rate = k [A]2 [B] is:

a. mol L -1s -1
b. s -1
c. mol L -1

d. mol-2 L 2 s -1

The correct answer is -d. mol-2 L 2 s -1