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:
A/ mol L1
0.20
0.20
0.40
B/ mol L1
0.30
0.10
0.05
r0/ mol L1s1
5.07 × 105
5.07 × 105
1.43 × 104
What is the order of the reaction with respect to A and B?
Answer 4.10:Let the order of the reaction with respect to A bexand with respect to B bey.
Therefore,
Dividing equation (i) by (ii), we obtain
Dividing equation (iii) by (ii), we obtain
= 1.496
= 1.5 (approximately)
Hence, the order of the reaction with respect to A is 1.5 and with respect to B is zero.
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