Sulphide ions in alkaline solution react with solid sulphur to form polyvalent sulphide ions. The equilibrium constant for the formation of ${\rm{S}}_2^{2 - }\;$ and $\;{\rm{S}}_3^{2 - }\;$ from ${\rm{S}}$ and ${{\rm{S}}^{2 - }}$ ions are 1.7 and 5.3 respectively. Equilibrium constant for the formation of$\;{\rm{S}}_3^{2 - }\;$ from ${\rm{S}}_2^{2 - }\;$ and S is:Failed to load question data. Please try again later.
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