Which one of the following is the correct representation of the solubility of SnS2?
[Sn2+][S2]2
[Sn4+][ S2-]2
[Sn4+]2[S2]
[Sn2+]3[S2]
SnS2 ⇌ Sn4+ + 2S2-
The correct representation for solubility product of SnS2 is: