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Grade: 11


name a reaction which has got the highest order? what will be a graph of a fractional order reaction?? will it be a straight line like first order??

9 years ago

Answers : (1)

879 Points

Dear student,

Rate of decomposition of N2O5 versus concentration of N2O5

Hydrogen (H2) gas reacts with bromine (Br2) gas to give hydrogen bromide vapor. The chemical reaction is represented by the equation as follows.

example for complex order reaction

This reaction follows the rate law

rate (r) = k[H2] [Br2]1/2 / (k' + [HBr] / [Br2]

The reaction is first order with respect to hydrogen and (halforder) with respect to bromine.

From the above examples, it is clear that various reactions can have various orders. To arrive at a rate law expression for a reaction, it is important to determine the order of the reaction with respect to each of the reactants in the reaction.


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Askiitians Expert

Sagar Singh

B.Tech, IIT Delhi

9 years ago
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