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प्रश्न
What happens when D-glucose is treated with the following reagent?
HNO3
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उत्तर
On being treated with HNO3, D-glucose get oxidised to give saccharic acid.
\[\begin{array}{cc}
\phantom{}\ce{CHO}\phantom{...........}\ce{COOH}\phantom{.}\\
\phantom{.}|\phantom{................}|\phantom{.......}\\
\ce{(CHOH)4 ->[HNO3] (CHOH)4}\\
\phantom{.}|\phantom{................}|\phantom{.......}\\
\phantom{..}\ce{\underset{D-glucose}{CH2OH}}\phantom{........}\ce{\underset{Saccharic acid}{COOH}}\phantom{.}
\end{array}\]
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संबंधित प्रश्न
Which of the following is a disaccharide?
The sugar that is characteristic of milk is ____________.
Which one is a disaccharide?
Maltose and glucose are ____________.
Sucrose on hydrolysis gives:
Which of the following has not a glucosidic linkage?
Which one of the following statement is correct about sucrose?
In disaccharides, if the reducing groups of monosaccharides i.e. aldehydic or ketonic groups are bonded, these are non-reducing sugars. Which of the following disaccharide is a non-reducing sugar?
Lactose on hydrolysis yields
Which disaccharide is present in milk?
Maltose on treatment with dilute HC?
Which of the following will not show mutarotation?
Hydrolysis of sucrose is called ______.
When sucrose is hydrolysed the optical rotation values are measured using a polarimeter and are given in the following table:
| S. No. | Time (hours) | Specific Rotation |
| 1 | 0 | + 66.5° |
| 2 | ∞ | - 39.9° |
- Account for the two specific rotation values.
- What is the specific name given to sucrose based on the above observation?
- One of the products formed during the hydrolysis of sucrose is a glucose, that reacts with hydroxylamine to give compound A. Identify compound A.
