Higher order (>3) reactions are rare due to
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- increase in entropy and activation energy as more molecules are involved
- shifting of equilibrium towards reactants due to elastic collisions
- loss of active species on collision
- low probability of simultaneous collision of all the reacting species
The Correct Option is D
Solution and Explanation
The probability of such a simultaneous collision is extremely low, so such reactions are rare; complex reactions proceed through a sequence of simpler steps instead.
Answer: (4) low probability of simultaneous collision of all the reacting species
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