Questions tagged [organic-oxidation]

For questions about oxidation reactions in organic chemistry, where a molecule of interest is oxidised. Do not use for questions on general redox concepts.

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Mechanism of arene side chain oxidation by permanganate

When treated with hot, concentrated acidic $\ce{KMnO4}$, arenes are oxidised to the corresponding carboxylic acids. For example, toluene is oxidised to benzoic acid. I've tried to examine how this ...
9
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1answer
1k views

In what way could benzoin give Tollen's test?

In Q29 of Joint Entrance Exam (JEE) 2016 India, the official answer key mentions that benzoin gives Tollen's test. However, I saw this post which says that it doesn't: Why do α-hydroxy ketones give ...
11
votes
1answer
46k views

What is the mechanism for oxidation of ketones by the Popoff's rule?

Ketones are relatively much harder to oxidise, but they do undergo oxidation reactions at extreme temperatures. Our teacher also told us about Popoff's rule which states that, on oxidation of ...
5
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1answer
1k views

Monoepoxidation of 1,2-dimethylcyclohexa-1,4-diene using m-CPBA

What is the product formed when 1,2-dimethylcyclohexa-1,4-diene undergoes epoxidation with one equivalent of m-CPBA (meta-chloroperbenzoic acid)? In the epoxidation mechanism, the π-electrons ...
5
votes
1answer
26k views

Can acidified or neutral KMnO4 oxidise toluene to benzoic acid?

Why is alkaline $\ce{KMnO4}$ used in the oxidation of toluene to benzoic acid? Can acidified or neutral $\ce{KMnO4}$ be used in this conversion?
-1
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1answer
236 views

Why does 3-hydroxy-butan-2-one give positive Tollens' test?

Why does 3-hydroxy-butan-2-one give a positive Tollens' test despite the absence of an aldehyde group? What is the mechanism?