1.

During the test of N in an organic compound by Lassaigne's extract, prussian blue colour is obtained. This is due to :

Answer»

`Fe_4[Fe(CN)_6]_3. xH_2O `
`[Fe(CN)_5NOS]^(4-)`
`[Fe(SCN)_2]^(+) `
`[Fe(SCN)]^(2+)` .

ANSWER :A


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