STANDARDChemistry-Chemical Kinetics
STANDARD Chemistry Order of Reaction MCQ Question
Type: MCQ-numerical-Medium-Class 12
For reaction aA → xP, when [A] = 2.2 mM, the rate was found to be 2.4 mM s⁻¹. On reducing concentration of A to half, the rate changes to 0.6 mM s⁻¹. The order of reaction with respect to A is:
A
1.5
B
2.0
C
2.5
D
3.0
Correct Answer
Option B
Detailed Explanation
The rate changes by a factor of 4 when the concentration is halved, indicating a second-order reaction with respect to A.
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