For the overall reaction H _ 2 ~S ( aq ) 2 H ^ + ( aq )+ S ^ 2- ( aq ) , the value of K a…
Chemistry · JEE Advanced · NTA Exams — Equilibrium
For the overall reaction
\(\mathrm{H}_{2} \mathrm{~S}(\mathrm{aq}) \rightleftharpoons 2 \mathrm{H}^{+}(\mathrm{aq})+\mathrm{S}^{2-}(\mathrm{aq})\), the value of Ka is
1×10–22. The Ksp for ZnS is 1.2 × 10–23. What would be the maximum concentration of Zn+2(aq) ion in a 0.01 M solution of H2S that has its pH adjusted to 5 by mixing a strong acid with the H2S ?
\(\mathrm{H}_{2} \mathrm{~S}(\mathrm{aq}) \rightleftharpoons 2 \mathrm{H}^{+}(\mathrm{aq})+\mathrm{S}^{2-}(\mathrm{aq})\), the value of Ka is
1×10–22. The Ksp for ZnS is 1.2 × 10–23. What would be the maximum concentration of Zn+2(aq) ion in a 0.01 M solution of H2S that has its pH adjusted to 5 by mixing a strong acid with the H2S ?
- 1.2 × 10–9 M
- 2.4 × 10–6 M
- 3.8 × 10–4 M
- 1.8 × 10–1 M
Answer
(A) 1.2 × 10 –9 M
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