Eduprobe
Question:
Match the organic compound column - I 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 and acidic solution of FeSO4
A-ii, B-i, C-iii
A-iii, B-i, C-ii
A-iii, B-ii, C-i
A-ii, B-iii, C-i
Solution:
In Lassaigne's test, aniline gives blue color with and acidic solution of FeSO4. Benzene sulfonic acid gives violet color with sodium nitroprusside. Thiourea gives red color with FeCl3.