JEE Main 2023ChemistryChemical EquilibriumMediumNumerical

JEE Main 2023Chemical Equilibrium Question with Solution

JEE Main 2023 (30 Jan Shift 2)

Question

Consider the following equation:

2SO2g+O2g2SO3g,ΔH=-190 kJ.

The number of factors which will increase the yield of SO3 at equilibrium from the following is _____ .

A. Increasing temperature
B. Increasing pressure
C. Adding more SO2
D. Adding more O2
E. Addition of catalyst

Enter your answer

Show full solutionCorrect answer: 3
Correct answer
3

Step-by-step explanation

The given reaction is exothermic reaction, hence, decreasing temperature is the favourable condition. The change in gaseous moles of products and reactants is negative, hence, increasing pressure is the favourable condition. Addition of reactants and removal of products are the favourable conditions. Catalyst only increase the speed of the reaction.

The yield of SO3 at equilibrium will be due to :
B. Increasing pressure
C. Adding more SO2
D. Adding more O2

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About this question

This is a previous-year question from JEE Main 2023, covering the Chemical Equilibrium 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.