✓ Board-verified
Chemistry · 2022 · 2 marks
Aldehydes, Ketones and Carboxylic AcidsChemical Reactions of Aldehydes, Ketones and Carboxylic Acids2 marksApplyvery short answer
CBSE 2022 · Region 3 · Set 3 · Q2
Write the products formed when benzaldehyde reacts with the following reagents (Any two): (i) CH_3 CHO in presence of dilute NaOH (ii) H_2 N - OH in…
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
All Aldehydes, Ketones and Carboxylic Acids questions2022 question paperNCERT solutions: Aldehydes, Ketones and Carboxylic AcidsPractice Aldehydes, Ketones and Carboxylic Acids →
More from Aldehydes, Ketones and Carboxylic Acids
- Write the equation involved in the following reactions: (i) Rosenmund reduction (ii) Etard reaction (iii) Stephen reaction OR (i) Which acid of each…2022
- Draw the structures of product(s) in each of the following reactions:2025
- The acid formed when propyl magnesium bromide is treated with CO_2 followed by acid hydrolysis is:2025
- (i) Identify A, B and C in the following reactions: (ii) Give reasons for the following: (I) Carboxylic acids do not give the characteristic…2025
- Write the products formed in the following reactions: CH_3 CHO+NH_2 CONHNH_2 → 1 CH_3 CHO → dil. NaOH 1 CH_3 COOH →[H_2 O]Cl_2 / redP2025
- Give a simple chemical test to distinguish between 3-pentanone and 2-pentanone. Write an equation for Clemmensen reduction.2025
- This reaction is known as:2023
- Give chemical tests to distinguish between the following pairs of compounds: (i) Phenol and Benzoic acid (ii) Propanal and Propanone Which one of the…2024
CBSE Class 12 Chemistry past-paper question from the 2022 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.