MCQ
The correct representation for solubility product of $Sn{S_2}$ is
- ✓$[S{n^{4 + }}]\,\,{[{S^{2 - }}]^2}$
- B$[S{n^{2 + }}]\,\,{[{S^{2 - }}]^2}$
- C$[S{n^{2 + }}]\,\,[2{S^{2 - }}]$
- D$[S{n^{4 + }}]\,\,{[2{S^{2 - }}]^2}$
✓
Answer
Correct option: A.
$[S{n^{4 + }}]\,\,{[{S^{2 - }}]^2}$
(a) $Sn{S_2} ⇌ S{n^{4 + }} + 2{S^{2 - }}$
$\therefore \,{K_{sp}} = [S{n^{4 + }}]\,\,{[{S^{2 - }}]^2}$
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