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  • Which of the following sodium fusion extract of organic compound gives brilliant violet colour with sodium nitroprusside solution?Option: 1 Thiourea<

Which of the following sodium fusion extract of organic compound gives brilliant violet colour with sodium nitroprusside solution?

Option: 1

Thiourea


Option: 2

Thiophene


Option: 3

Both a & b


Option: 4

Urea


Answers (1)

best_answer

As we have learnt,

Organic compounds containing sulphur upon treatment with Sodium Nitroprusside give violet colour.

\mathrm{S^{2-} + [Fe(CN)_5NO]^{2-} \longrightarrow \underset{Violet \ coloration}{[Fe(CN)_5NOS]^{4-}}}

Thiourea and Thiophene both contain Sulphur and will give brilliant violet colour upon reaction with Sodium Nitroprusside solution.

Hence, the correct answer is Option (3)

Posted by

avinash.dongre

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