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MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryChemical kineticsPrevious Year Questions

Half life period of a first-order reaction is 1386 seconds. The specific rate constant of the reaction is: (AIPMT 2009) (a) 0.5 10 s x (b) 0.5 10 s x (c) 5.0 10 s x (d) 5.0 10 s x

Answer
B
Explanation

For a first order reaction 3 1 1/2 0.693 0.693 ; 0.5 10 1386 t k s k x

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