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Q.

A sodium fusion extract of an organic compound containing nitrogen and sulphur is prepared by taking excess of sodium. The colour obtained when $F e S O_{4}$ and $H_{2} S O_{4}$ are added to this extract

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An Intiative by Sri Chaitanya

a

Red

b

Canary yellow

c

Violet

d

Prussian blue

answer is D.

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Detailed Solution

Due to the formation of the following complex,

${Fe}_{4} {[Fe (CN)_{6}]}_{3}$

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