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The hydrolysis of an ester in acid mediu...

The hydrolysis of an ester in acid medium is first order reaction. What do you mean by a first order reaction ?

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If the rate of a reaction is proportional to the first power of the concentration of only one rectant,it is called a first order reaction `r=K[A]^1`
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A N EXCEL PUBLICATION-CHEMICAL KINETICS-QUESTION BANK
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