JEE Main 2019 Chemistry question

ChemistryChemical KineticsJEE Main 2019

For the reaction, 2A + B → products, when the concentrations of A and B both were doubled, the rate of the reaction increased from 0.3 mol L s to 2.4 mol L s. When the concentration of A alone is doubled, the rate increased from 0.3 mol L s to 0.6 mol L s. Which one of the following statements is correct?

Answer: (D)

Solution

Order in A = 1; total order 3 () ⇒ order in B = 2.

Question ID VK-009966