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
Which of the following is a trisaccharide?
Stachyrose
Sucrose
Raffinose
Ribose
Stachyose is a
Monosaccharide
disaccharide
triaccharide
tetrasaccharide
Glucose on reaction with fehling solution gives
cupric oxide
cuprous oxide
saccharic acid
Both ( b ) and ( c )
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
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
Number of chiral carbon atoms in β -D ( + )glucose is
five
six
three
four
The letter 'D' in D - glucose signifies
configuration at all chiral carbons
dextrorotatory
that is a monosaccharide
configuration at a particular chiral carbon.
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.
Complete hydrolysis of cellulose gives
D - fructose
D -ribose
D - glucose
L - glucose