Biomolecules

Biomolecules

Question

Which of the following compounds can be detected by Molisch’s test?

  • Nitro compounds

  • Sugars

  • Amines

  • Primary alcohols

Answer

B.

Sugars

Molisch’s Test: when a drop or two of the alcoholic solution of α–naphthol is added to sugar solution and then conc. H2SO4 is added along the sides of the test tube, the formation of violet ring takes place at the junction of two liquids.

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