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JEE Main Chemistry question

ChemistryChemical KineticsJEE Main

A first order reaction is carried out with an initial concentration of 10 mole per litre and 80% of the reactant changes into the product. Now if the same reaction is carried out with an initial concentration of 5 mol per litre, the percentage of the reactant changing into product (in the same time) is:

Answer: (B)

Solution

For a first order reaction the fraction of reactant converted in a fixed time depends only on and not

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Question ID VK-144558