CBSE 2022 · Region 3 · Set 1 · Q1 · 2 marks
Predict the reagent for carrying out the following transformations : (Any two)(i)Benzoyl chloride to Benzaldehyde(ii)Ethanal to $\displaystyle 3$-hydroxy butanal(iii)Ethanoic acid to $\displaystyle 2$-chloroethanoic acid
Predict the reagent for carrying out the following transformations : (Any two)
(i)
Benzoyl chloride to Benzaldehyde
(ii)
Ethanal to $\displaystyle 3$-hydroxy butanal
(iii)
Ethanoic acid to $\displaystyle 2$-chloroethanoic acid
Marking-scheme solution
(i) \(\displaystyle \mathrm{H}_{2}, \mathrm{Pd}-\mathrm{BaSO}_{4}\)
(ii) Dil. NaOH
(iii) \(\displaystyle \mathrm{Cl}_{2}\) / Red P
Aldehydes, Ketones and Carboxylic AcidsChemical Reactions of Aldehydes, Ketones and Carboxylic AcidsApplyvery_short_answermedium
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CBSE Class 12 Chemistry past-paper question from the 2022board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.