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Violet coloured complex obtained in the ...

Violet coloured complex obtained in the detection of sulphur is:

A

`Na_(4)[Fe(CN)_(5)NOS]`

B

`Na_(3)[Fe(CN)_(5)NOS]`

C

`Na_(2)[Fe(CN)_(5)NOS]`

D

`Na_(2)[Fe(CN)_(5))NO]`

Text Solution

Verified by Experts

The correct Answer is:
A
`Na_(2)S + underset("Sodium nitroprusside")(Na_(2)[Fe(CN)_(5)NO] to underset("Violet colour")(Na_(4)[Fe(CN)_(5)NOS])`
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