For the detection of sulphur by Lassaigne's test, the addition of sodi – InterviewSolution

1.	For the detection of sulphur by Lassaigne's test, the addition of sodium nitroprusside to the sodium extract gives purple colouration. This is due to the formation of :
Answer» `Na_(3)[FE(CN)_(6)]` `Na_(4)[Fe(CN)_(5)NOS]` `Fe(SCN)_(3)` `Na_(4)[Fe(CN)_(6)]` ANSWER :B

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