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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
Answer the following question.
Write the products obtained after the hydrolysis of lactose.
Which of the following is a disaccharide?
Which one is a disaccharide?
Maltose and glucose are ____________.
Sucrose on hydrolysis gives:
Which one of the following statement is correct about sucrose?
Match the following enzyms given in Column I with the reactions they catalyse given in Column II.
| Column I (Enzymes) | Column II (Reactions) |
| (i) Invertase | (a) Decomposition of urea into NH3 and CO2 |
| (ii) Maltase | (b) Conversion of glucose into ethyl alcohol |
| (iii) Pepsin | (c) Hydrolysis of maltose into glucose |
| (iv) Urease | (d) Hydrolysis of cane sugar |
| (v) Zymase | (e) Hydrolysis of proteins into peptides |
Maltose is made of
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.
