CBSE 2025 · Region 2 · Set 2 · Q28 · 3 marks
(a)Write the product obtained when D-glucose reacts with $\displaystyle \mathrm{H}_{2} \mathrm{~N}-\mathrm{OH}$.(b)Amino acids show amphoteric behaviour, why ?(c)Why vitamin C cannot be stored in our body ?
(a)
Write the product obtained when D-glucose reacts with $\displaystyle \mathrm{H}_{2} \mathrm{~N}-\mathrm{OH}$.
(b)
Amino acids show amphoteric behaviour, why ?
(c)
Why vitamin C cannot be stored in our body ?
Marking-scheme solution
(a)
(b)
Due to the presence of zwitter ion structure it can react with acids and bases./ Due to the
presence of both carboxylic group and amino group.
(c)
It is water soluble vitamin and is excreted in urine.
BiomoleculesCarbohydratesApplyshort_answereasy
More from Biomolecules
- The specific sequence in which amino acids are arranged in a protein is called its2024 · asked 4×
- Assertion: Glucose gets oxidized to six carbon gluconic acid on reaction with bromine water. Reason (R): The…2026 · asked 3×
- Living systems are made up of various complex biomolecules like carbohydrates, proteins, nucleic acids,…2023 · asked 3×
- Carbohydrates are optically active polyhydroxy aldehydes and ketones. They are also called saccharides. All…2023 · asked 3×
- Identify the polysaccharide among the following:2026 · asked 3×
- Which of the following structures represents α -D-glucose?2023 · asked 3×
- Certain organic compounds are required in small amounts in our diet but their deficiency causes specific…2024 · asked 3×
- Give reasons for any 3 of the following observations: Penta-acetate of glucose does not react with…2023 · asked 3×
CBSE Class 12 Chemistry past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.