Rate law for a reaction between A and B is given by r = k[A]n [B]m If concentration of A is doubled — JEE Mains Chemistry Past Papers Chemistry Question

Question

Rate law for a reaction between A and B is given by r = k[A]n [B]m If concentration of A is doubled and concentration of B is halved from their initial value, the ratio of new rate of reaction to the initial rate of reaction 2 r r is (A) (n – m) (B) 2(n – m) (C) (m + n) (D) n m 1