Select the rate law that conforms to the following data for the reaction : A+B→Products
Exp No.[A](mol L−1)[B](mol L−1)Initial rate(mol L−1S−1)10.00120.00351×10−420.0240.0708×10−330.0240.0351×10−340.0120.0708×10−3
−d[A]dt=k[B]3
Rate = k[A]x[B]y ; From exp 2 & 3.
(rate)2(rate)3=k[0.024]x[0.070]y[0.024]x[0.035]y=8×10−31×10−3=8or 2y=8=23,y=3
From exp 2 and 4,
(rate)2(rate)1=8×10−38×10−3=k[0.024]x[0.070]yk[0.012]x[0.070]y=2xor 2x=1⇒x=0or,−d[A]dt=k[B]3