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[" 84.In a Lassaignes's test for sulphur...

[" 84.In a Lassaignes's test for sulphur in the organic "],[" compound with sodium nitroprusside solution "],[" the purple colour formed is due to- "],[" (1) "[Fe(CN)_(5)NOS]^(4-)],[" (2) [Fe(CN) "_(5)NOS]^(2-)],[" (4) "[Fe(CN)_(6)]^(4-)]

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In a Lassaigne's test for sulphur in the organic compound with sodium nitroprusside solution the purple colour formed is due to

In a Lassaigne's test for sulphur in the organic compound with sodium nitroprusside solution the purple colour formed is due to

K_(4)[Fe(CN)_(6)]+ZnSO_(4) to Zn_(2)[Fe(CN)_(6)]darr

K_(4)[Fe(CN)_(6)]+ZnSO_(4) to Zn_(2)[Fe(CN)_(6)]darr

K_(4)[Fe(CN)_(6)]+2CuSO_(4)toCu_(2)[Fe(CN)_(6)]darr

K_(4)[Fe(CN)_(6)]+2CuSO_(4)toCu_(2)[Fe(CN)_(6)]darr

In the Lassaigne’s test for nitrogen in an organic compound, the Prussian blue colour is obtained due to the formation of: (a) Na_(4)[Fe(CN)_(6)] (b) Fe_(4)[Fe(CN)_(6)]_(3) (c) Fe_(2)[Fe(CN)_(6)] (d) Fe_(3)[Fe(CN)_(6)]_(4)