Match the organic compounds in Column-I with the Lassaigne's test results in Column-II appropriately

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Red colour with ${FeCl}_{3}$

Violet colour with sodium nitroprusside

Blue colour with hot and acidic solution of ${FeSO}_{4}$ .

Aniline

Benzene sulphuric acid

Thiourea

answer is C, B, A.

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Detailed Solution

Thiourea gives red coloration with ${FeCl}_{3}$ . Aniline form ${CN}^{-}$ in Lassaigne's test which gives blue colour with hot acidic solution of ${FeSO}_{4}$ .

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