Home Chemistry Organic Compounds In Lassigne‘s extract of an organic compound…
Chemistry Organic Compounds Single Correct MCQ
Published on: August 21, 2026

In Lassigne‘s extract of an organic compound both nitrogen and sulphur are present, which gives red colour with Fe 3+ due to formation of

A
[Fe (CN) 5 NOS] 4 − −
B
[Fe(SCN)] 2+
C
Fe 4 [Fe(CN) 6 xH 2 O]
D
NaSCN

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The correct answer is:

                    

Na + C + N + S → → NaSCN

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