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प्रश्न
The oxidation of toluene to benzaldehyde by chromyl chloride is called ______.
विकल्प
Etard reaction
Riemer-Tiemann reaction
Stephen’s reaction
Cannizzaro’s reaction
उत्तर
The oxidation of toluene to benzaldehyde by chromyl chloride is called Etard reaction.
Explanation:
The oxidation of toluene (C6H5CH3) with chromyl chloride (CrO2Cl2) in CCl4 or CS2 to give benzaldehyde is called Etard reaction. In this reaction, the chromyl chloride first forms a brown complex. which is separated and then decomposed with H2O to give benzaldehyde (C6H5CHO).
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