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प्रश्न
What happens when D-glucose is treated with the following reagent?
HI
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उत्तर
When D-glucose is heated with HI for a long time, n-hexane is formed.
\[\begin{array}{cc}
\ce{CHO}\phantom{...............................................}\\
|\phantom{..................................................}\\
\ce{(CHOH)4 ->[HI][\Delta] \underset{n-hexane}{CH3 - CH2 - CH2 - CH2 - CH2 - CH3}}\\
|\phantom{..................................................}\\
\ce{\underset{{D-glucose}}{CH2OH}}\phantom{..........................................}
\end{array}\]
APPEARS IN
संबंधित प्रश्न
Write the reaction that indicates the presence of -CHO group in glucose
Draw the simple Fisher projection formulae of D - (+) - glucose and D - (-) - fructose
Glucose on reaction with HI gives n-hexane. What does it suggest about the structure of glucose?
Differentiable between the following:
Amylose and Amylopectin
Write the reaction involved when D-glucose is treated with the following reagent:
Br2 water
Write the reaction involved when D-glucose is treated with the following reagent:
(CH3CO)2O
The number of asymmetric carbon atom(s) below the figure is/are
What is the most abundant organic compound on earth?
Glucose does not give Schiff’s test because of the formation of cyclic ____________.
When glucose reacts with bromine water, the main product is ____________.
Glucose does not react with ____________.
Glucose reacts with acetic anhydride to form ______.
Which is the least stable form of glucose?
The number of chiral carbon atoms present in cyclic structure α-D(+) glucose:
Write the reactions of D-glucose which can’t be explained by its open-chain structure. How can cyclic structure of glucose explain these reactions?
Account for the following:
There are 5 OH groups in glucose
Account for the following:
What happens when D – glucose is treated with the following reagents
HNO3
When D-glucose reacts with HI, it forms ______.
Give a reason for the following observations:
Penta-acetate of glucose does not react with hydroxylamine.
