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Which of the following statement about t...

Which of the following statement about the pyranose form of mannose is not correct?

A

It exists as two anomeric stereoisomers

B

It reacts with Tollen's reagent to give a silver mirror (i.e, it is a reducing sugars)

C

Reaction with excess `CH_(3)I and AgOH` gives a non-reducing penta -O- methyl derivative

D

It resist reduction with aqueous sodium borohydride

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The correct Answer is:
D
Monosaccharide
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AAKASH SERIES-CARBOHYDRATES-Practice Sheet-3
  1. Which description fit the following sugar best?

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  2. Which of the following is the correct Fischer representation of D-gala...

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  3. Which of the following statement about the pyranose form of mannose is...

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  4. Two aldopentoses X and Y give the same osazone derivative. X is oxidiz...

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  5. Identify the correct set of stereochemical relationship among the foll...

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  6. D-glucose overset(HO^(-))hArr A+ B A and B are

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  7. Which of the molecules below will react with alcohol?

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  8. Which of the compounds (A-C) depicted above is NOT a hemiacetal linkag...

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  9. Which of the following represents the anomer of the compound shown?

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  10. Which set of terms correctly identifies the carbohydrate shown ? ...

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  11. The correct statement about the following disaceharide is

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  12. Which of the following is/are true regarding mutarotaion?

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  13. What is/are true regarding epimers and epimerization?

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  14. What is /are true regarding (+) maltose-a disaccharide?

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  15. The correct statement is/are

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  16. What is /are true regarding amylose?

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  17. D(+) Glucose has melting point 140^(@)C and specific rotation [a](D)^(...

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  18. D(+) Glucose has melting point 140^(@)C and specific rotation [a](D)^(...

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  19. D(+) Glucose has melting point 140^(@)C and specific rotation [a](D)^(...

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  20. P and Q are isomers C(4)H(4)O(4) of dicarboxylic acid both decolorise ...

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