Hydrolysis of lactose with dilute acid yields :
D - glucose + D - glucose
D - glucose + D - galactose
D - glucose + D - fructose
D - galactose + D - fructose
2 - pentanone and 3 - pentanone can be distinguished by :
cannizaro's reaction
iodoform reaction
aldol condensation
Clemmensen's reduction
Proteins are :
polypeptides with low molecular weights
polypeptides with high molecular weights
polymers of amides
polymers of secondary amines
B.
polypeptides with high molecular weights
Proteins are polypeptides with high molecular weight .These are the polymer of amino acids .Proteins are essential for growth and repairing of tissue .
CH3CHI2 ?
Here the end product would be :
2 - cyano propionic acid
ethane - l , 1 - dicarboxylic acid
2 - methyl ethanoic acid
propionic acid