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Q.

Libermann's test used for identification of which functional group in organic compounds

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a

1°-amine

b

alcohol

c

Phenolic

d

aldehyde

answer is C.

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Detailed Solution

.Liebermann's Test

 To detect the presence of phenol functional groups in a given sample. Materials Required- test tube, test tube holder, given organic compound, conc. Sulfuric acid, sodium hydroxide, sodium nitrite, distilled water, burner, etc.

Phenol: Reddish pink

Phenolic Compound: Colour

M-cresol: Blue or violet-blue

O-cresol: Red

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Libermann's test used for identification of which functional group in organic compounds