What is the role of iron(II) sulphate in the test for nitrogen in Lassaigne's extract? - SOME BASIC PRINCIPLES OF ORGANIC CHEMISTRY Quiz | GKFix.in

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What is the role of iron(II) sulphate in the test for nitrogen in Lassaigne's extract?

A. To oxidize cyanide
B. To form Prussian blue directly
C. To precipitate iron
D. To form sodium ferrocyanide

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