CBSE 2026 · Region 4 · Set 3 · Q22 · 3 marks
Gives the structures of $\displaystyle \mathrm{A}, \mathrm{B}$ and C in the following reactions :(a)
(b)
Gives the structures of $\displaystyle \mathrm{A}, \mathrm{B}$ and C in the following reactions :
(a)
(b)
Marking-scheme solution
(a)
A, B and C:
(b)
A, B and C:
Aldehydes, Ketones and Carboxylic AcidsChemical Reactions of Aldehydes, Ketones and Carboxylic AcidsApplyshort_answermedium
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 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.