Question

A reaction is 50% completed in 2 hrs. and 75% completed in 3 hrs from beginning. What
is the order of the reaction.

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Answer 1

Answer:

The reaction goes to 50% completation in first 2 hours if the initial concentration is A it becomes A /2 in 2 hours then the next 2 hours it becomes A/4 from A/2 this means it again reduced by half in 2 hours this means the half life of the reaction is 2 hours which is constant half life is constant in the first order reaction.Hence the order of the reaction is 1