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JEE Main Chemistry question

ChemistryChemical KineticsJEE Main

Under the same reaction conditions, initial concentration of of a substance becomes half in 40 s and 20 s through first order and zero order kinetics respectively. Ratio of the rate constants for first order and zero order of the reaction is [IIT JEE 2008]

Answer: (A)

Solution

. For zero order, $=⇒

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Question ID VK-144292