CBSE 2025 · Region 5 · Set 1 · Q10 · 1 mark
$\displaystyle \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHO}$ and $\displaystyle \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COOH}$ can be distinguished by:
Official answer
From CBSE’s own marking scheme for this paper.
(A)
Sodium bicarbonate test
Aldehydes, Ketones and Carboxylic AcidsChemical Reactions of Aldehydes, Ketones and Carboxylic AcidsApplymcqeasy
Practice Aldehydes, Ketones and Carboxylic Acids →All Aldehydes, Ketones and Carboxylic Acids questions
More from Aldehydes, Ketones and Carboxylic Acids
- The acid formed when propyl magnesium bromide is treated with CO 2 followed by acid hydrolysis is:2025 · asked 3×
- (i) Identify A, B and C in the following reactions: (ii) Give reasons for the following: (I) Carboxylic acids…2025 · asked 3×
- Give chemical tests to distinguish between the following pairs of compounds: (i) Phenol and Benzoic acid (ii)…2024 · asked 3×
- (i) Write the major product(s) in the following reactions: (2) (3) (ii) Give simple chemical tests to…2024 · asked 3×
- Explain the following reactions and write chemical equation involved: Wolff-Kishner reduction Etard reaction…2025 · asked 3×
- Assertion: Benzoic acid does not undergo Friedel - Crafts reaction. Reason (R): Carboxyl group is…2024 · asked 3×
- (i) Write the product(s) when: (I) One mol of ethanal is treated with 1 mol of CH 3 OH in the presence of dry…2026 · asked 3×
- The carbon - oxygen double bond is polarised in aldehydes and ketones due to higher electronegativity of…2023 · asked 3×
CBSE Class 12 Chemistry past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.