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Question
Give the differences between order and molecularity of a reaction.
Distinguish Between
Solution
| Sr. No. | Order of a reaction | Molecularity of a reaction |
| 1. | It is the sum of the powers of concentration terms involved in the experimentally determined rate law. | It is the total number of reactant species that are involved in an elementary step. |
| 2. | It can be zero (or) fractional (or) integer. | It is always a whole number, cannot be zero or a fractional number. |
| 3. | It is assigned for a overall reaction. | It is assigned for each elementary step of mechanism. |
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Molecularity
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