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Friday, 9 October

JEE Main 2024 · ChemistryMultiple choiceSingle correctEasyCalculation

JEE Main 9 April 2024, Shift 2, Chemistry Q63

Question 63 of 90 in this shift, Chemistry question 3 of 30, Section A.

For a sparingly soluble salt AB2\mathrm{AB_2}, the equilibrium concentrations of A2+\mathrm{A^{2+}} ions and B−\mathrm{B^-} ions are 1.2×10−41.2\times10^{-4} M and 0.24×10−30.24\times10^{-3} M, respectively. The solubility product of AB2\mathrm{AB_2} is :
  1. (1)6.91×10−126.91\times10^{-12}Official answer
  2. (2)27.65×10−1227.65\times10^{-12}
  3. (3)0.069×10−120.069\times10^{-12}
  4. (4)0.276×10−120.276\times10^{-12}

Official answer

Option 1

NTA final key.

Chapter
Equilibrium
Topic
Solubility Product
Idea tested
Ksp Expression Writing

Same idea in other shifts

Asked 2× in all
  1. 8 Jan 2020, Shift 1 · Q26The stoichiometry and solubility product of a salt with the solubility curve given below is, respectively :HardSingle correctHas a figure

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 42 of the 174 JEE Main shifts held from 2017 to 2026.