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Chemistry · 2023 · 2 marks
Aldehydes, Ketones and Carboxylic AcidsNomenclature and Structure of Carboxyl Group2 marksUnderstandvery short answer
CBSE 2023 · Region 3 · Set 3 · Q25
Give reasons: (a) Formic acid is a stronger acid than acetic acid. (b) Alpha ( α ) -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.
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