JEE Main 2019ChemistryChemical KineticsMediumMCQ

JEE Main 2019 — Chemical Kinetics Question with Solution

JEE Main 2019 (09 Jan Shift 2)

Question

Consider the following reversible chemical reactions:

A2g+B2g⇌k12ABg .....(1)  

6ABg⇌k23A2g+3B2g .....(2)

The relation between K1 and K2 is:

Choose an option

Show full solutionCorrect option: A
Correct answer
AK2=K1-3

Step-by-step explanation

A2+B2⇌2AB

k1=AB2A2B2

6AB⇌3A2+3B2

k2=A23B23AB6

So, 1k13=k2

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About this question

This is a previous-year question from JEE Main 2019, covering the Chemical Kinetics chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.