Advertisements
Advertisements
प्रश्न
Write the reactions involved when D-glucose is treated with the following reagent:
H2N-OH
Advertisements
उत्तर
\[\begin{array}{cc}
\phantom{............}\ce{CHO}\phantom{.............}\ce{CO=N-OH}\\
\phantom{..}|\phantom{..................}|\\
\phantom{........}\ce{(CHOH)4->[NH2OH](CHOH)4}\\
\phantom{..}|\phantom{..................}|\\
\phantom{.........}\ce{\underset{\text{D-glucose}}{CH2OH}}\phantom{..........}\ce{\underset{\text{Oxime}}{CH2OH}}
\end{array}\]
APPEARS IN
संबंधित प्रश्न
Draw the simple Fisher projection formulae of D - (+) - glucose and D - (-) - fructose
Maltose is a
(a) Polysaccharide
(b) Disaccharide
(c) Trisaccharide
(d) Monosaccharide
What do you observe when glucose solution is heated with Tollen’s reagent?
Acetylation of glucose yields ____________.
When glucose reacts with bromine water, the main product is ____________.
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.
Choose the correct relationship for glucose and fructose:
In the following reaction, identify A and B:
\[\begin{array}{cc}
\ce{C6H12O6 ->[Acetic anhydride] A}\\
\downarrow \text{Conc. nitric acid}\phantom{...}\\
\ce{B}\phantom{.................}\end{array}\]
Which of the following pairs represents anomers?
Give a reason for the following observations:
Penta-acetate of glucose does not react with hydroxylamine.
