Question
Identify the product 'B' in the following reaction Toluene Chromyl chloride / CS _2 A H _3 O ^+ B
MHT CET
Chemistry
Hydrocarbons
2026
MHT CET 2026 (17 April Shift 2)
MHT CET Chemistry Question (2026) — Solution
Options
- A. Benzal chloride
- B. Benzaldehyde
- C. Benzyl alcohol
- D. Benzoic acid
Answer
B. Benzaldehyde
Step-by-step solution
The given reaction is the Etard reaction. Toluene reacts with chromyl chloride ( CrO _2 Cl _2) in a non-polar solvent like CS _2 to form a brown chromium complex A. The chromium complex A on hydrolysis with H _3 O ^+ gives benzaldehyde B. Therefore, the product B is benzaldehyde. Answer: Benzaldehyde
Related: Chemistry — Hydrocarbons · All PYQ Banks