In Étard's reaction, toluene is oxidized to benzaldehyde by which agent?
Understand the Problem
The question is asking about the specific oxidizing agent used in Étard's reaction to oxidize toluene to benzaldehyde. This involves understanding organic chemistry reactions.
Answer
Chromyl chloride.
In Étard's reaction, chromyl chloride (CrO2Cl2) is used to oxidize toluene to benzaldehyde.
Answer for screen readers
In Étard's reaction, chromyl chloride (CrO2Cl2) is used to oxidize toluene to benzaldehyde.
More Information
Étard's reaction is a specific organic oxidation process where chromyl chloride partially oxidizes the methyl group of toluene to form benzaldehyde without further oxidation to benzoic acid.
Tips
A common mistake is assuming stronger oxidizing agents will only convert toluene to benzaldehyde, but they may over-oxidize to carboxylic acid. Chromyl chloride stops at the aldehyde stage.
Sources
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