CBSE 2024 · Region 4 · Set 1 · Q20 · 2 marks
Write the stepwise mechanism of nucleophilic addition reactions in the carbonyl compounds.How will you convert the following :(i)Toluene to benzoic acid.(ii)Ethanol to $\displaystyle 3$-Hydroxybutanal $\displaystyle \mathbf{1} \boldsymbol{\times} \mathbf{2}$
Write the stepwise mechanism of nucleophilic addition reactions in the carbonyl compounds.
How will you convert the following :
(i)
Toluene to benzoic acid.
(ii)
Ethanol to $\displaystyle 3$-Hydroxybutanal $\displaystyle \mathbf{1} \boldsymbol{\times} \mathbf{2}$
Marking-scheme solution
(b)
(ii)
$\displaystyle \mathrm{CH_3CH_2OH} \xrightarrow{\ \mathrm{PCC}\ } \mathrm{CH_3CHO} \xrightarrow{\ \text{dil. NaOH}\ } \mathrm{CH_3-\underset{\overset{|}{OH}}{CH}-CH_2-CHO}$
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 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.