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Give three reactions of glucose which ca...

Give three reactions of glucose which cannot be explained by its open chain structure.

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(1) Glucose does not give 2,4-DNP test.
(2) Glucose does not give Schiff's test.
(3) The pentaacetate of glucose does not react with hydroxylamine.
(4) Glucose does not form the hydrogensulphite addition product with `NaHSO_(3).` (Any three points)
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XII BOARDS PREVIOUS YEAR-XII BOARDS-QUESTION PAPER (SECTION-C)
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  2. Which on of the following compounds will undergo faster hydrolysis rea...

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  3. A compound is formed by the substitution of two chlorine atoms for two...

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  4. Complete the following reactions :

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  5. Give reasons for the following : (i) Use of aspartame as an artifici...

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  6. (a) Name the branched chain component of starch. (b) Ribose in RNA a...

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  7. Give three reactions of glucose which cannot be explained by its open ...

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  8. The following data were obtained during the first order thermal decomp...

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  9. Two reactions of the same order have equal pre exponential factors but...

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  10. (a) A colloidal sol is prepared by the given method in figure. What is...

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  11. Describe how the following steps can be carried out? (a) Recovery o...

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  12. Explain the use of the following : (a) NaCN in Froth Floatation Method...

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  13. Explain the following : (a) Out of Sc^(3+), Co^(2+) " and "Cr^(3+) "...

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  14. A metal complex having composition Cr(NH(3))(4)CI(2)Br has been isolat...

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  15. (a) Identify A-D (b) Distinguish between the following pair of compo...

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  16. (a) Account for the following : (i) Direct nitration of aniline yie...

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  17. (a) A cell is prepared by dipping a zinc rod in 1M zinc sulphate solut...

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  18. (a) Apply Kohlrausch law of independent migration of ions, write the e...

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  19. (a) Account for the following observations : (i) SF(1) is easily hyd...

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  20. (a) What inspired N.Bartlett for carrying out reaction between Xe and ...

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