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AIIMS 201925 May
Exam
AIIMS
Year
2019
Date
25 May
Subject
Chemistry
Chapter
Ionic Equilibrium

AIIMS 2019 · 25 May · Chemistry · Ionic Equilibrium

Which of the following has maximum solubility at low pH ?

Which of the following has maximum solubility at low pH\mathrm{pH} ?

Options

  1. ANH4Cl\mathrm{NH}_4 \mathrm{Cl}
  2. BNaCl\mathrm{NaCl}
  3. CNa3PO4\mathrm{Na}_3 \mathrm{PO}_4
  4. DSr(OH)2\mathrm{Sr}(\mathrm{OH})_2

Correct answer

D. Sr(OH)2\mathrm{Sr}(\mathrm{OH})_2

Step-by-step solution

Low pH means acidic solution. So, Sr(OH)2\mathrm{Sr}(\mathrm{OH})_2 gets dissolved in high amount as OH−\mathrm{OH}^{-}ions get neutralised by H+\mathrm{H}^{+}ions.
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