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JEE Main202528 Jan 2025Evening ShiftChemistryIonic EquilibriumActual

Arrange the following in increasing order of solubility product : Ca ( OH )₂, AgBr , PbS , HgS

Options

  1. AHgS AgBr PbS Ca ( OH )₂
  2. BCa ( OH )₂ AgBr HgS PbS
  3. CPbS HgS Ca ( OH )₂ AgBr
  4. DHgS PbS AgBr Ca ( OH )₂

Correct answer

D. HgS PbS AgBr Ca ( OH )₂

Step-by-step solution

Based on the Ksp values and salt analysis cation identification, we can say that order of Ksp value is: HgS < PbS < AgBr < Ca ( OH )₂ K sp values aligned & HgS 4 10⁻⁵³ & PbS 8 10⁻²⁸ & AgBr 5 10⁻¹³ & Ca ( OH )₂ 5.5 10⁻⁶ aligned

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