Which of the following is incorrect for glucose?
It contains one ketone group
It contains four -CHOH groups
It contains one - CHO group
It contains one - CH2OH group
Number of chiral carbon atoms in β -D ( + )glucose is
five
six
three
four
All monosaccharides ____ Tollen's reagent
oxidises
condense with
reduces
add to
How can you say 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
The letter 'D' in D - glucose signifies
configuration at all chiral carbons
dextrorotatory
that is a monosaccharide
configuration at a particular chiral carbon.
The reagent which forms crystalline osazone derivative when reacted with glucose is
fehling solution
phenyl hydrazine
Benedict solution
hydroxyl amine
Glucose on reaction with fehling solution gives
cupric oxide
cuprous oxide
saccharic acid
Both ( b ) and ( c )
Water hydrolysis of sucrose produces
two molecules of glucose
two molecules of fructose
one molecule of each glucose and fructose
one molecule and each glucose and mannose
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
α - maltose consists of
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.