Question: The compound formed in the positive test for nitrogen with the Lassaigne solution of an organic compound is (a) Fe4[Fe(CN)6]3 (b) Na4[Fe(CN)5NOS] (c) Fe(CN)3 (d)

The compound formed in the positive test for nitrogen with the Lassaigne
solution of an organic compound is
(a) Fe4[Fe(CN)6]3
(b) Na4[Fe(CN)5NOS]
(c) Fe(CN)3
(d) Na3[Fe(CN)6]

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