For a reaction, X → Y, if the concentration of ‘X’ is tripled; the rate becomes nine times. The order of reaction is__________________? August 24, 2021March 4, 2019 by admin For a reaction, X → Y, if the concentration of ‘X’ is tripled; the rate becomes nine times. The order of reaction is__________________? A. 0 B. 1C. 2 D. 3