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