Q. Match the organic compounds in column -1 with the Lassaigne's test results in column - II appropriately :
Column - I Column - II
(A) Aniline (i) Red color with FeCl3
(B) Benzene sulfonic acid (ii) Violet color with sodium nitroprusside
(C) Thiourea (iii) Blue color with hot and acidic solution of FeSO4

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Solution:

(A) Aniline (iii) Acidic solution of
(B) Benzene sulphonic Acid (i) Red colour with
(C) Thiourea (ii) Sodium nitro prose