What is the order of reaction for the following? 2 H 2 O 2 ( l ) → 2 H 2 O ( l ) + O 2 ( g )

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Chemistry - Chemical Kinetics Question with Solution | TestHub

ChemistryChemical KineticsSecond & nth Order ReactionsEasy2 minPYQ_2026

ChemistryEasysingle choice

What is the order of reaction for the following?
$2 H_{2} O_{2} (l) \to 2 H_{2} O (l) + O_{2} (g)$

Options:

Answer:

Solution:

The decomposition of hydrogen peroxide is a well-known example of a first-order reaction.

The rate law for this reaction is given by:

$Rate = k [H_{2} O_{2}]$

Since the power of the concentration term in the rate law is $1$ , the order of the reaction is first.

Answer: First

Stream:MHT_CET_MEDICALSubject:ChemistryTopic:Chemical KineticsSubtopic:Second & nth Order Reactions

⏱ 2mℹ️ Source: PYQ_2026

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