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Sulphides ions in alkaline solution reac...

Sulphides ions in alkaline solution react with solid sulphur to form polyvalent sulphide ions. The equillibrium constant for the formation of `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 ?

A

1.33

B

3.11

C

4.21

D

1.63

Text Solution

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The correct Answer is:
B
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