Glucose on reaction with HI gives n-hexane. What does it suggest about the structure of glucose?
Write any two reactions of glucose which cannot be explained by the open chain structure of glucose molecule.
The following two reactions of glucose cannot be explained by the open chain structure of glucose.
(i) Despite having the aldehyde group glucose does not give 2, 4-DNP test, Schiff’s test and it does not form the hydrogen sulphite addition product with NaHSO3.
(ii) The pentaacetate of glucose does not react with hydroxylamine indicating the absence of free- CHO group.
What is essentially the difference between α-form of glucose and β-form of glucose? Explain.