CBSE 2023 · Region 3 · Set 3 · Q25 · 2 marks
Give reasons:(a)Formic acid is a stronger acid than acetic acid.(b)Alpha ( $\displaystyle \alpha$ ) -Hydrogens of aldehydes and ketones are acidic.
Give reasons:
(a)
Formic acid is a stronger acid than acetic acid.
(b)
Alpha ( $\displaystyle \alpha$ ) -Hydrogens of aldehydes and ketones are acidic.
Marking-scheme solution
(a) Because acetate ion is less stable than formate ion due to +I effect of \(\displaystyle -\mathrm{CH}_{3}\) group.
(b) Because of the resonance stabilisation of conjugate base.
Aldehydes, Ketones and Carboxylic AcidsNomenclature and Structure of Carboxyl GroupUnderstandvery_short_answermedium
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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.