CBSE 2023 · Region 5 · Set 1 · Q11 · 1 mark
Which one of the following has lowest $\displaystyle \mathrm{pK}_{\mathrm{a}}$ value ?
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle \mathrm{O}_{2} \mathrm{~N}-\mathrm{CH}_{2}-\mathrm{COOH}$
Aldehydes, Ketones and Carboxylic AcidsNomenclature and Structure of Carboxyl GroupUnderstandmcqmedium
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CBSE Class 12 Chemistry past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.