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Chemistry - Chemical Kinetics Question with Solution | TestHub

ChemistryChemical KineticsFirst Order ReactionsMedium2 minPYQ_2021
ChemistryMediumnumerical

N2O5( g)2NO2( g)+12O2( g)
In the above first order reaction the initial concentration ofN2O5is2.40×10-2 mol L-1at318 K.The concentration ofN2O5after1hour was1.60×10-2 mol L-1.The rate constant of the reaction at318 Kis       ×10-3 min-1(Nearest integer):
[Given:log3=0.477,log5=0.699]

Answer:
7.00
Solution:

K=2.303tlogN2O50 N2O51
=2.30360log2.41.6=6.76×10-3 min-17×10-3 min-1

Stream:JEESubject:ChemistryTopic:Chemical KineticsSubtopic:First Order Reactions
2mℹ️ Source: PYQ_2021

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