Organic Chemistry Some Basic Principles And Techniques Ques 51
51. 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 Kar. 2013]
(a) $Fe_3[Fe(CN)_6]_3$
(b) $Fe_3[Fe(CN)_6]_2$
(c) $Fe_4[Fe(CN)_6]_3$
(d) $Fe_4[Fe(CN)_6]_2$
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Solution:
- (c) The prussian blue colour is of $Fe_4[Fe(CN)_6]_3$ ferric ferrocyanide
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