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Which of the following reactions of gluc...

Which of the following reactions of glucose can be explained only by its cyclic structure?

A

Glucose forms pentaacetate

B

Glucose reacts with hydroxylamine to form an oxime

C

Pentaacetate of glucose does not react with hydroxyl amine

D

Glucose is oxidised by nitric acid to glyconic acid

Text Solution

Verified by Experts

The correct Answer is:
C
'Pentaacetate of glucose does not react with hydroxylamine'' showing absence of free CHO group. This can not be explained by open structure of glucose. While all other Hence, option (c) is the correct choice.
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NCERT EXEMPLAR-BIOMOLECULES -Biomolecules
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  3. Which of the following reactions of glucose can be explained only by i...

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  5. Structure of disaccharide formed by glucose and fructose is given belo...

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  6. Three structures are given below in which two glucose units are linke...

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  7. Carbohydrates are classified on the basis of their bahaviour on hydrol...

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  9. Which of the following carbohydrates are branched polymer of glucose?

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  10. Amino acids are classified as acidic, basic or neutral depending upon ...

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  11. Lysine, H(2)N-(CH(2))(4)-underset(" "NH(2))underset(|)(CH)-COOH is.......

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  12. Which of the following monosaccharides are present as five membered cy...

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  13. In fibrous proteins, polypeptide chains are held together by........ .

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  14. Which of the following are purine bases?

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  15. Which of the following terms are correct about enzyme?

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  16. Name the sugar present in milk. How many monosaccharide units are pres...

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  17. How do you explain the presence of all the six carbon atoms in glucose...

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  18. In nucleoside, a base is attached at 1' position of sugar moiety. Nucl...

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  19. Name the linkage connecting monosaccharide units in polysaccharides.

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  20. Under what conditions glucose is converted to gluconic acid and saccha...

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