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Question: Answered & Verified by Expert
Trimolecular reactions are uncommon because
ChemistryChemical KineticsJEE Main
Options:
  • A the probability of three molecules colliding at an instant is low.
  • B the probability of three molecules colliding at an instant is high.
  • C the probability of three molecules colliding at an instant is zero.
  • D the probability of many molecules colliding at an instant is high.
Solution:
2369 Upvotes Verified Answer
The correct answer is: the probability of three molecules colliding at an instant is low.

According to collision theory reaction occurs mostly due to the effective collision of two molecules. The chance of three molecules to collide simultaneously is low. In three or more molecules due to the loss of active species on collision probability of reactants conversion into the product will be less.

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