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QNEET-2013-Ch-1557: NEET 2013 Chemistry - Class 12 NEET-2013-Ch-1557 Solution: Nitrogen detection in an organic compound is carried out by…

Nitrogen detection in an organic compound is carried out by Lassaigne's test. The blue colour formed corresponds to which of the following formulae? Fe4[Fe(CN)6]3Fe_4[Fe(CN)_6]_3 Fe4[Fe(CN)6]2Fe_4[Fe(CN)_6]_2 Fe3[Fe(CN)6]2Fe_3[Fe(CN)_6]_2 Fe3[Fe(CN)6]3Fe_3[Fe(CN)_6]_3

Multiple Choice Options

  • A Fe 4 [Fe(CN) 6 ] 3
  • B Fe 4 [Fe(CN) 6 ] 2
  • C Fe 3 [Fe(CN) 6 ] 2
  • D Fe 3 [Fe(CN) 6 ] 3

Step-by-Step Verified Solution

The prussian blue colour is of Fe 4 [Fe(CN) 6 ] 3 ferric ferrocyanide.

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