1.

What conclusion would you draw if the lassaigne's extract gives a blood red color with fecl3?

Answer»

n Lassaigne’s solution, Ferric CHLORIDE (FeCl3) reacts with Sodium thiocyanate to GIVE Ferric thiocyanate [Fe(CNS)3] which is blood red.The test is usually USED as a confirmatory test for organic compounds containing NITROGEN and Sulfur Compounds(essential amino acids). Blood red color indicates the FORMATION of Ferric thiocyanate.Hope it helped.



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