Advertisements
Advertisements
Question
Give the reaction of glucose with hydrogen cyanide. Presence of which group is confirmed by this reaction?
Advertisements
Solution
The reaction of glucose with hydrogen cyanide:

This reaction confirms the presence of the carbonyl group (>C = O) in glucose.
APPEARS IN
RELATED QUESTIONS
How many moles of acetic anhydride will be required to form glucose pentaacetate from 2M of glucose?
(a) 2
(b) 5
(c) 10
(d) 2.5
Glucose on reaction with HI gives n-hexane. What does it suggest about the structure of glucose?
Differentiable between the following:
Amylose and Amylopectin
What do you observe when glucose solution is heated with Tollen’s reagent?
The following compound can be called as:

Glucose does not give Schiff’s test because of the formation of cyclic ____________.
Write the reactions of D-glucose which can’t be explained by its open-chain structure. How can cyclic structure of glucose explain these reactions?
Glucose with excess of phenyl hydrazine forms ______.
The number of asymmetric carbon atoms in the glucose molecule in open and cyclic form is ______.
Give a reason for the following observations:
Penta-acetate of glucose does not react with hydroxylamine.
