Chapter 14 Biomolecules, Class 12 Chemistry Chapter 14 Biomolecular, Chemistry Class 12 | Page 11

Molisch Test for Carbohydrates
In aqueous solution of compound add solution of α-naphthol in alcohol and then cone. H2SO4 along the walls of the test tube. Purple coloured ring is obtained at the junction.
Amino Acids
The compounds containing amino group(-NH2) and carboxylic group(- COOH) are called amino acids.
R = H, alkyl or aryl group. Except glycine( H2N. CH2COOH), others are optically active in nature.
Classification of Amino Acids