AIPMT PRELIMS2005Chemistry-Chemical Kinetics
AIPMT PRELIMS 2005 Chemistry Order of Reaction MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The rate of reaction between two reactants A and B decreases by a factor of 4, if the
A
concentration of reactant B is doubled. The order of this reaction with respect to reactant B is :
B
-1
C
-2
D
1
Correct Answer
Option B
Detailed Explanation
The order of reaction with respect to a reactant is determined by how the rate changes with concentration changes. Here, doubling B decreases the rate by a factor of 4, indicating a negative order.
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