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Chemistry · 2025 · 3 marks
CBSE 2025 · Region 1 · Set 2 · Q28
(a) Write the reaction when D-glucose reacts with the following: (i) NH_2 OH (ii) Acetic anhydride (b) Why vitamin C cannot be stored in our body?
(a)
Write the reaction when D-glucose reacts with the following :
(i)
$\displaystyle \mathrm{NH}_{2} \mathrm{OH}$
(ii)
Acetic anhydride
(b)
Why vitamin C cannot be stored in our body ?
Marking-scheme solution
(a)(i)
(ii)
(b)
Vitamin C is water soluble and is excreted through urine.
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CBSE Class 12 Chemistry past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.