Sodium ferrocyanide3Na4[Fe(CN)6]+2Fe2(SO4)3→Ferric ferrocyanide (Prussian blue)Fe4[Fe(CN)6]3+Na2SO4
Nitrogen detection in an organic compound is carried out by Lassaigne's test. The blue colour formed corresponds to which of the following formulae?
NEET UG 2013 — Chemistry Organic Chemistry
2013mcqeasy
Nitrogen detection in an organic compound is carried out by Lassaigne's test. The blue colour formed corresponds to which of the following formulae?
Official previous-year question
Held on 30 Apr 2013 · Verified 9 Jul 2026.
Options
- A
Fe3[Fe(CN)6]2
- B
Fe4[Fe(CN)6]3
- C
Fe4[Fe(CN)6]2
- D
Fe3[Fe(CN)6]3
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