MHT CET Chemistry question

ChemistryChemical KineticsMHT CET

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

Answer: (A)

Solution

; for zero order ;

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Question ID VK-069089