Which of the following is a trisaccharide?
Stachyrose
Sucrose
Raffinose
Ribose
Hydrolysis of sucrose is called
Inversion
Esterification
Hydration
Saponification
When sucrose is heated with conc. HNO3, the product formed is
Sucrose nitrate
Adipic acid
Oxalic acid
Citric acid
α - maltose consists of
One α - D -glucopyranose unit and one β - D - glucopyranose unit with 1 - 2 glycosidic linkage.
Two α - D -glucopyranose unit with 1 - 2 glycosidic linkage.
Two β - D -glucopyranose unit with 1 - 4 - glycosidic linkage
Two α - D -glucopyranose unit with 1 - 4 glycosidic linkage.
What is nature of glucose - glucose linkage in starch that makes its so susceptible to acid hydrolysis?
Starch is hemiacetal
Starch is acetal
Starch is polymer
Starch contains only few molecules of glucose
Stachyose is a
Monosaccharide
Disaccharide
Trisaccharide
Tetrasaccharide
Which of the following does not exhibit the phenomenon of mutarotation?
( - ) fructose
( + ) sucrose
( + ) lactose
( + ) maltose
The reagent which forms crystalline ozone derivative when reacted with glucose is
Fehling solution
Phenyl hydrazine
Benedict solution
Hydroxyl amine
Glucose contains in addition to aldehyde group
One secondary - OH and four primary - OH groups.
One primary - OH and four secondary - OH groups
Two primary - OH and three secondary - OH groups
Three primary - OH and two secondary - OH groups
Which one of the following statements is incorrect for the sucrose?
It is obtained from cane sugar.
It is not reducing sugar.
On hydrolysis, it gives equal quantities of D -glucose and D - fructose
It gives aspartame when it is heated at 210oC.