Which of the following reactions occur during the detection of nitrogen in organic…
Chemistry · JEE Main · NTA Exams — Principles Related To Practical Chemistry
Which of the following reactions occur during the detection of nitrogen in organic substances by Lassaigne’s test?
- Na + C + N
NaCN - FeSO4 + 6NaCN
Na4[Fe(CN)6] + Na2SO4 - 3Na4[Fe(CN)6] + 2Fe(SO4)3
Fe4[Fe(CN)6]3 + 6Na2SO4
- Na + S
Na2S
Answer
(A) Na + C + N NaCN, (B) FeSO 4 + 6NaCN Na 4 [Fe(CN) 6 ] + Na 2 SO 4, (C) 3Na 4 [Fe(CN) 6 ] + 2Fe(SO 4 ) 3 Fe 4 [Fe(CN) 6 ] 3 + 6Na 2 SO 4
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