Chemistry - Chemical Kinetics Question with Solution | TestHub

ChemistryChemical KineticsFirst Order ReactionsMedium2 minQB

ChemistryMediumsingle choice

In the first order decomposition of oxalic acid following data were obtained.

The half-life period of the reaction is

Answer:

Solution:

$(COO H)_{2} ⟶ 2 C O_{2} + H_{2} O$

$t = 0$ , $a_{0}$ .

$t = t_{1}$ , $a_{0} - x$ $2 x$ .

$V_{t} \propto a_{0} - x$ .

$V_{0} \propto a_{0}$ ⟹ $ln (\frac{V _{t}}{V _{0}}) = - k t$

$t_{1/2} = 802.98 sec = 13.4 min$

Stream:JEESubject:ChemistryTopic:Chemical KineticsSubtopic:First Order Reactions

⏱ 2mℹ️ Source: QB

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