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Arrhenius Theory of Acids and Bases

Sodium nitrop...

Question

Sodium nitroprusside, when added to an alkaline solution of sulphide ions, produces a:

A

red colouration

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B

blue colouration

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C

purple colouration

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D

brown colouration.

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Solution

The correct option is D purple colouration
When sodium nitroprusside added in alkaline solution it forms $[F e (C N)_{5} N O S]_{4}$ -- complex ion.

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Arrhenius Theory of Acids and Bases

Standard X Chemistry

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