Sodium nitroprusside when added to an alkaline solution of sulphide ions produces a purple coloured complex. What is the total number of sodium atoms present per molecule in this purple coloured complex?
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Solution
Sodium nitroprusside (Na2[Fe(CN)5NO]) when added to an alkaline solution of sulphide ions produce a purple coloured complex which is Na4[Fe(CN)5NOS].
The total number of sodium per molecule in this purple coloured complex is 4.