Hydrolysis of lactose with dilute acid yields :
D - glucose + D - glucose
D - glucose + D - galactose
D - glucose + D - fructose
D - galactose + D - fructose
Which is used to obtain salicylic acid from phenol ?
CCl4
CHCl3
CH3COOH
COCH3
A.
CCl4
When phenol reacts with CCl4 it gives salicylic acid .
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
CH3CHI2 ?
Here the end product would be :
2 - cyano propionic acid
ethane - l , 1 - dicarboxylic acid
2 - methyl ethanoic acid
propionic acid