In a reaction between A and B, the initial rate of reaction (r0) was measured for different initial concentrations of A and B as given below What is the order of the reaction with respect to A and B?

Question 4.10: In a reaction between A and B, the initial rate of reaction (r₀) was measured for different initial concentrations of A and B as given below:

What is the order of the reaction with respect to A and B?
Answer
Let the order of reactant A = x
And the order of reactant B = y
We have the formula



Take log both side we get
log 2.821 = log 2 ^x
take the log of 2.821 and Use formula log a^x = x log a we get
0.4504 = x log 2
Value of log 2 = 0.3020
We get
x = 0.4504/0.3020 = 1.5(approx)
Answer
The order of reactant A = 1.5
The order of reactant B = 0