Which of the following will give blood red colour with FeCl_(3)in sodi – InterviewSolution

1.	Which of the following will give blood red colour with FeCl_(3)in sodium extract (Lassaigne'sextract).
Answer» `NH_(3)CONH_(2)` `NH_(2)CSNH_(2)`and `PhCH_(2)Cl` `C_(6)H_(5)NHNH_(2)` `CH_(3)C = N` Solution :(b) is CORRECT answer because it contain N and S. therefore ITWILL form `NaSCN` which reacts with `FeCl_(3)` togive FERRIC thioyanate, which is blood red in colour. (a), (c ) and (d) are not possible because they do not contain sulphur.

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