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Sodium nitroprusside produces violet col...

Sodium nitroprusside produces violet colouration when reacted with `Na_(2)S` due to:

A

oxidation of `Fe^(2+)` to `Fe^(3+)`

B

reduction of `Fe^(2+)` to `Fe^(1+)`

C

formation of soluble complex without change in oxidation state of iron

D

precipitation of iron sulphide from sodium nitroprusside

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Protein produces violet colour in which of the following

    A
    Million's test
    B
    Biuret test
    C
    Ninhydrin test
    D
    Molish test

  • Sodium fusion extract of an organic compound produces violet colour when treated with sodium nitroprusside . This indicates the presence of _______.

    A
    phosphorus
    B
    sulphur
    C
    iodine
    D
    bromine

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

    A
    `Na_(4)[Fe(CN)_(5)NOS]`
    B
    `Na_(3)[Fe(CN)_(5)S]`
    C
    `Na_(2)[Fe(CN)_(5)NOS]`
    D
    `Na_(3)[Fe(CN)_(6)]`

    • Similar Questions

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    Sodium nitropruside gives violet colour with sulphide ion.The violet coloured compound is

    Sodium nitroprusside when added to solution of sulphide ions produces a

    A: Aceteldehyde reacts with alkaline solution of sodium nitroprusside to give red colouration. R: Acetaldehyde is a good reducing agent.

    In an alkaline solution, sodium nitroprusside gives a violet colour with :

    On treating sodium fusion extract with sodium nitroprusside, a violet colour was observed. This indicates the presence of which element in the organic compound?

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