Which of the following does not exhibit the phenomenon of mutarotation?
( - ) fructose
( + ) sucrose
( + ) lactose
( + ) maltose
Hydrolysis of sucrose is called
Inversion
Esterification
Hydration
Saponification
The reagent which forms crystalline ozone derivative when reacted with glucose is
Fehling solution
Phenyl hydrazine
Benedict solution
Hydroxyl amine
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
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.
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.
Glucose on reaction with Fehling solution gives
Cupric oxide
Cuprous oxide
Saccharic acid
Both ( b ) and ( c )
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
Complete hydrolysis of cellulose gives
D - fructose
D -ribose
D - glucose
L - glucose
Glucose and mannose are
Epimers
Anomers
Ketohexoses
Disaccharide