What is obtained when glucose is reacted with fehling solution?
cupric oxide
cuprous oxide
saccharic acid
Both ( b ) and ( c )
Which of the following is contained in Glucose 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
What is the hydrolisis of sucrose called as?
inversion
esterification
hydration
saponification
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.
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
Which of the following will take place on tollen's reagent when monosaccharides are reacted with it?
oxidises
condense with
reduces
add to
Which of the following solution will dissolve cellulose in it?
ammoniacal cupric hydroxide solution
waver
organic solvent
None of the above
Which of the following is a trisaccharide?
Stachyrose
Sucrose
Raffinose
Ribose
Which of the following is a constituent of α - maltose?
one α - D -glucopyranose unit and one β - D - glucocpyranose unit with 1 - 2 glycosideic 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.
Which of the following states that glucose is cyclic compound?
Glucose undergoes Tollen's reaction
Glucose reacts with phenyl hydrazine
Glucose fails to react with sodium hydrogen sulphite
Glucose reacts with nitric acid