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Questions
Write the reaction involved when D-glucose is treated with the following reagent:
(CH3CO)2O
Write the reaction when D-glucose reacts with the following:
Acetic anhydride
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Solution
\[\begin{array}{cc}
\phantom{.}\ce{CHO}\phantom{........................................}\ce{CHO}\phantom{...................}\\
|\phantom{...............................................}|\phantom{......................}\\
\phantom{.....................}\ce{(CHOH)4 + \underset{Acetic anhydride}{5(CH3CO)2O}->(CHOCOCH3)4 + 5CH3COOH}\\
|\phantom{...............................................}|\phantom{......................}\\
\phantom{...}\ce{\underset{\text{D-glucose}}{CH2OH}}\phantom{...................................}\ce{CH2O-C-CH3}\phantom{....}\\
\phantom{..................................................}||\\
\phantom{..................................................}\ce{\underset{\text{Glucose penta acetate}}{O}}
\end{array}\]
RELATED QUESTIONS
Draw the simple Fisher projection formulae of D - (+) - glucose and D - (-) - fructose
What do you observe when glucose is treated with bromine water?
Write the reactions involved when D-glucose is treated with the following reagent:
H2N-OH
Which of the following statements is incorrect regarding glucose?
When glucose reacts with bromine water, the main product is ____________.
Glucose does not react with ____________.
What happens when D-glucose is treated with the following reagent?
HI
Account for the following:
What happens when D – glucose is treated with the following reagents
Bromine water
The number of asymmetric carbon atoms in the glucose molecule in open and cyclic form is ______.
Match List - I with List - II.
| List I | List II | ||
| (A) | Glucose + HI | (I) | Gluconic acid |
| (B) | Glucose + Br2 water | (II) | Glucose pentacetate |
| (C) | Glucose + acetic anhydride | (III) | Saccharic acid |
| (D) | Glucose + HNO3 | (IV) | Hexane |
Choose the correct answer from the options given below:
