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What is the Difference Between the Order of a Reaction and the Molecularity of A Reaction? - ISC (Arts) Class 12 - Chemistry (Theory)

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Question

What is the difference between the order of a reaction and the molecularity of a reaction?

Solution

order of a reaction molecularity of a reaction
Order of a reaction is an experimental quantity. It can be zero and even a fraction Molecularity of a reaction is the number of species (atoms, ions or molecules) taking part in the elementary reaction. It cannot be zero or non-integer
The order is applicable to elementary as well as complex reactions. Molecularity is applicable only for
elementary reactions
For complex reaction, the order is
given by slowest step.
Molecularity of the slowest step is equal to the order of overall reaction

 

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APPEARS IN

 2014-2015 (March) (with solutions)
Question 2.2.1 | 2.00 marks
Solution What is the Difference Between the Order of a Reaction and the Molecularity of A Reaction? Concept: Order of a Reaction - Order-reaction (Meaning).
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