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Question

List the various differences between Order and Molecularity of a reaction


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Solution

Making the differences between order and molecularity:

Order

Molecularity

Order of a reaction refers to the exponential power raised to the concentration of product in a rate law expression. Molecularity refers to the simultaneous collision of two or more than two particles while reacting.
Order can be fractional, natural number, or whole number. Molecularity is always a natural number.
Order can be ZeroMolecularity of a reaction cannot be zero
The order of a reaction is determined by experimental methods. The Molecularity of a reaction is determined by observation of the reaction.


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