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प्रश्न
Account for the following:
What happens when D – glucose is treated with the following reagents
Bromine water
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उत्तर
\[\begin{array}{cc}
\phantom{.}\ce{CHO}\phantom{..............}\ce{COOH}\phantom{..}\\
\phantom{.}|\phantom{..................}|\phantom{.......}\\
\phantom{}\ce{(CHOH)4 ->[Br2 water] (CHOH)4}\\
\phantom{.}|\phantom{..................}|\phantom{.......}\\
\phantom{...}\ce{CH2OH}\phantom{..........}\ce{\underset{Gluconic acid}{CH2OH}}\phantom{..}
\end{array}\]
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संबंधित प्रश्न
Differentiable between the following:
Amylose and Amylopectin
What do you observe when glucose solution is heated with Tollen’s reagent?
Glucose is found to exist in two different α and β crystalline forms. These forms can be obtained by:
(i) The α form of glucose is obtained by crystallisation from a concentrated solution of glucose at 303 K.
(ii) The β form of glucose is obtained by crystallisation from a concentrated solution of glucose at 303 K.
(iii) The β form is obtained by crystallisation from hot and saturated aqueous solution at 371 K.
(iv) The α form is obtained by crystallisation from hot and saturated aqueous solution at 371 K.
The reaction of glucose with red P + HI is called ____________.
The number of chiral carbon atoms present in cyclic structure α-D(+) glucose:
Three structures are given below in which two glucose units are linked. Which of these linkages between glucose units are between C1 and C4 and which linkages are between C1 and C6?
| (I) |  |
| (II) |  |
| (III) |  |
On the basis of which evidences D-glucose was assigned the following structure?
\[\begin{array}{cc}
\ce{CHO}\\
|\phantom{....}\\
\phantom{..}\ce{(CHOH)4}\\
|\phantom{....}\\
\phantom{..}\ce{CH2OH}
\end{array}\]
What happens when D-glucose is treated with the following reagent?
HI
Glucose with excess of phenyl hydrazine forms ______.
The reagents with which glucose does not react to give the corresponding tests/products are:
- Tollen’s reagent
- Schiff’s reagent
- HCN
- NH2OH
- NaHSO3
Choose the correct options from the given below:
