JEE Main 2021 · ChemistryMultiple choiceSingle correctMediumCalculation

JEE Main 25 February 2021, Shift 2, Chemistry Q32

Question 32 of 90 in this shift, Chemistry question 2 of 30, Section A.

The solubility of

\mathrm{Ca(OH)_2}

in water is : [Given : The solubility product of

\mathrm{Ca(OH)_2}

in water

=5.5\times10^{-6}

]

(1) $1.11\times10^{-2}$ Official answer
(2) $1.11\times10^{-6}$
(3) $1.77\times10^{-2}$
(4) $1.77\times10^{-6}$

Official answer

Option 1

NTA final key.

Chapter: Equilibrium
Topic: Solubility Product
Idea tested: Solubility-Ksp Relationship

Same idea in other shifts

Asked 8× in all

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.