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प्रश्न
Write two differences between 'order of reaction' and 'molecularity of reaction'.
उत्तर
| Order | Molecularity |
| The overall order of reaction is the sum of all the exponents of all the reactants present in the rate law expression. | It is the number of reacting species taking part in an elementary reaction, which must collide simultaneously in order to bring about a chemical reaction. |
| It is determined experimentally. | It is a theoretical concept. |
| It may be equal to zero or have fractional values. | It can not be equal to zero and it always have integral values( which cannot exceeds 3) |
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