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प्रश्न
Which of the following statements is not true about glucose?
विकल्प
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.
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उत्तर
It is present in furanose form.
Explanation:
Fructose is present in furanose form.
α – D – (–) – Fructofuranose
β – D – (–) – Fructofuranose
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संबंधित प्रश्न
Describe laboratory method for preparation of glucose.
What is the action of following reagents on glucose?
dilute HNO3
What is the action of following reagents on glucose?
hydroxyl amine
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(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)
Which component of starch is a branched polymer of α-glucose and insoluble in water?
How is glucose prepared by commercial method? How is peptide linkage formed?
How is glucose prepared from starch?
Hydrolysis of starch yields ____________.
Which among the following is the simplest sugar?
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
Which of the following is an example of aldo hexose?
A nucleoside is made of:-
Amylopectin is a polymer of:-
Which of the following statements is not true about glucose?
