AIPMT PRELIMS2000Chemistry-Chemical Kinetics
AIPMT PRELIMS 2000 Chemistry Rate of Reaction MCQ Question
Type: MCQ-conceptual-Medium-Class 12
For the reaction H⁺ + BrO₃⁻ + 3Br⁻ → 3Br₂ + H₂O which of the following relation correctly represents the consumption & formation of reactants and products :
A
d[Br⁻]/dt = -3/5 d[Br₂]/dt
B
d[Br⁻]/dt = 3/5 d[Br₂]/dt
C
d[Br⁻]/dt = -5/3 d[Br₂]/dt
D
d[Br⁻]/dt = 5/3 d[Br₂]/dt
Correct Answer
Option A
Detailed Explanation
The stoichiometry of Br⁻ to Br₂ is 3:3, so the rate of consumption of Br⁻ is 5/3 times the rate of formation of Br₂.
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