Advertisements
Advertisements
Question
Which of the following statements is not true about glucose?
Options
It is an aldohexose.
On heating with HI it forms n-hexane.
It is present in furanose form.
It does not give 2,4-DNP test.
Advertisements
Solution
It is present in furanose form.
Explanation:
Fructose is present in furanose form.

α – D – (–) – Fructofuranose

β – D – (–) – Fructofuranose
APPEARS IN
RELATED QUESTIONS
What is the action of following reagents on glucose?
bromine water
What is the action of following reagents on glucose?
dilute HNO3
Stachyose is an example of _______.
(A) monosaccharides
(B) disaccharides
(C) trisaccharides
(D) tetrasaccharides
A 10% solution (by mass) of sucrose in water has freezing point of 269.15 K. Calculate the freezing point of 10% glucose in water, if freezing point of pure water is 273.15 K
Given : (Molar mass of sucrose = 342 g mol−1)
(Molar mass of glucose = 180 g mol−1)
Write the formula of the complex copper (II) hexacyanoferrate (II).
How is glucose prepared by commercial method? How is peptide linkage formed?
Sucrose (cane sugar) is a disaccharide. One molecule of sucrose on hydrolysis gives ______.
Carbohydrates are classified on the basis of their behaviour on hydrolysis and also as reducing or non-reducing sugar. Sucrose is a:
(i) monosaccharide
(ii) disaccharide
(iii) reducing sugar
(iv) non-reducing sugar
How do you explain the presence of all the six carbon atoms in glucose in a straight chain?
In nucleoside a base is attached at 1′ position of sugar moiety. Nucleotide is formed by linking of phosphoric acid unit to the sugar unit of nucleoside. At which position of sugar unit is the phosphoric acid linked in a nucleoside to give a nucleotide?
Under what conditions glucose is converted to gluconic and saccharic acid?
Which sugar is called invert sugar? Why is it called so?
How do you explain the presence of five – OH groups in glucose molecule?
In the acetylation of glucose, which group is involved in the reaction
A nucleoside is made of:-
A nucleoside acids, the sequence is
When sucrose is heated with cone. HNO3 the product is ______.
