1.

Sulphides ions in alkaline solution react with solid sulphur to form polyvalent sulphide ions. The equillibrium constant for the formationof S_2^(2-) and S_3^(2-) from S and S^(2-) ions are 1.7 and 5.3 respectively.What is the equillibrium constant for the formation of S_3^(2-) from S_2^(2-) and S ?

Answer»

1.33
3.11
4.21
1.63

Answer :B


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