JEE Main 2021ChemistryChemical EquilibriumChemical Equilibrium Law Of Mass Action And Equilibrium ConstantmediumNumerical

JEE Main 2021Chemical Equilibrium Question with Solution

From: JEE Main 2021 (Online) 26th August Morning Shift

Question

The OH concentration in a mixture of 5.0 mL of 0.0504 M NH4Cl and 2 mL of 0.0210 M NH3 solution is x 106 M. The value of x is ___________. (Nearest integer)

[Given Kw = 1 1014 and Kb = 1.8 105]

Enter your answer

Show full solutionCorrect answer: 3
Correct answer
3

Step-by-step explanation

= 0.0504 & [NH3] = 0.0210

So,

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About this question

This is a previous-year question from JEE Main 2021, 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.