STANDARDChemistry-Chemical Kinetics
STANDARD Chemistry Order of Reaction MCQ Question
Type: MCQ-numerical-Medium-Class 12
For a chemical reaction, X → Y, the rate of reaction increases by a factor of 1.837 when the concentration of X is increased by 1.5 times, the order of the reaction with respect to X is:
A
1
B
1.5
C
2
D
2.5
Correct Answer
Option B
Detailed Explanation
Initially rate (r₁) = k[X]ⁿ. When concentration is increased by 1.5 times, r₂ = k(1.5 X)ⁿ. Dividing these gives 1.837 = (1.5)ⁿ, solving for n gives n = 1.5.
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