1.

The purple colour of which compound is in lassigne's solution in sulphur test?

Answer»

`Na_(4)[FE(CN)_(6)NOS]`
`Na_(2)[Fe(CN)_(5)NOS]`
`Na_(2) [Fe(CN)_(6)]S`
`Na_(4) [Fe(CN)_(4)NOS]`

ANSWER :B


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