CBSE 2022 · Region 3 · Set 3 · Q2 · 2 marks
Write the products formed when benzaldehyde reacts with the following reagents (Any two) :(i)$\displaystyle \mathrm{CH}_{3} \mathrm{CHO}$ in presence of dilute NaOH(ii)$\displaystyle \mathrm{H}_{2} \mathrm{~N}-\mathrm{OH}$ in presence of weak acid(iii)Tollen's reagent
Write the products formed when benzaldehyde reacts with the following reagents (Any two) :
(i)
$\displaystyle \mathrm{CH}_{3} \mathrm{CHO}$ in presence of dilute NaOH
(ii)
$\displaystyle \mathrm{H}_{2} \mathrm{~N}-\mathrm{OH}$ in presence of weak acid
(iii)
Tollen's reagent
Marking-scheme solution
(i)
/ $\displaystyle 3$-Hydroxy-$\displaystyle 3$-phenylpropanal
(ii)
/ Benzaldehyde oxime
(iii)
/ Benzoate ion
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.