MCQ
What is the reagent used in Etard reaction?
- ✓Chromyl chloride
- BEthanoyl chloride
- C$SnCl _2$ and $HCl$
- DCadmium chloride
✓
Answer
Correct option: A.
Chromyl chloride
(a) : Etard reaction : Chromyl chloride $\left( CrO _2 Cl _2\right)$ oxidises methyl group to a chromium complex, which on hydrolysis gives corresponding benzaldehyde.
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