Glucose on reaction with Fehling solution gives
Cupric oxide
Cuprous oxide
Saccharic acid
Both ( b ) and ( c )
Which of the following is a trisaccharide?
Stachyrose
Sucrose
Raffinose
Ribose
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
The reagent which forms crystalline ozone derivative when reacted with glucose is
Fehling solution
Phenyl hydrazine
Benedict solution
Hydroxyl amine
When sucrose is heated with conc. HNO3, the product formed is
Sucrose nitrate
Adipic acid
Oxalic acid
Citric acid
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 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.
A diabetic person carries a packet of glucose with him always, because
Glucose increases the blood sugar level slowly.
Glucose reduces the blood sugar level.
Glucose increases the blood sugar level almost instantaneously.
Glucose reduces the blood sugar level slowly.
Glucose and mannose are
Epimers
Anomers
Ketohexoses
Disaccharide
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