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Question: Answered & Verified by Expert
Why does the rate of any reaction generally decreases during the course of the reaction?
ChemistryChemical KineticsNEET
Options:
  • A The concentration of reactants increases as the reaction progresses.
  • B The rate of a reaction depends on the concentration of reactants. As the reaction progresses, reactants start getting converted to products so the concentration of reactants decreases hence the rate decreases.
  • C The rate of product formation is independent of the reaction progress.
  • D As the reaction progresses, the concentration of reactants decreases.
Solution:
1561 Upvotes Verified Answer
The correct answer is: The rate of a reaction depends on the concentration of reactants. As the reaction progresses, reactants start getting converted to products so the concentration of reactants decreases hence the rate decreases.
Correct Option is : (B)
The rate of a reaction depends on the concentration of reactants. As the reaction progresses, reactants start getting converted to products so the concentration of reactants decreases hence the rate decreases.

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