Chemistry - Chemical Kinetics Question with Solution | TestHub

ChemistryChemical KineticsRate of Reactions/Rate LawEasy2 minPYQ_2020
ChemistryEasysingle choice

Consider the following reaction in aqueous solution.

5 Br − aq + BrO 3 − aq +6 H + aq →3 Br 2 aq +3 H 2 O l

If the rate of appearance of Br 2 at a particular time during the reaction is 0.025   Msec −1 , what is the rate of disappearance (in Msec −1) of Br − at that time?

Options:

Answer:
B
Solution:

The two rates are related as − 1 5 d Br − dt = 1 3 d Br 2 dt

− d Br − dt = 5 3 d Br 2 dt = 5 3 ×0.025=0.042  Msec −1

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Chemical KineticsSubtopic:Rate of Reactions/Rate Law
⏱ 2mℹ️ Source: PYQ_2020

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