Question

why benzene is not affected by oxidizing agents like Kmno4 and k2cr2o7​

Answer 1

Answer:

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For the purposes of Org 1/ Org 2 the mechanism isn’t considered that important. Manganese acts in mysterious ways. It’s thought that the first step is removal of a hydrogen by one of the oxygens on MnO4(–) in a free-radical reaction. Beyond that, it gets complicated.

(Advanced) References and Further Reading

• For some examples “in the wild”, see the following.

• For some examples “in the wild”, see the following.Mechanistic studies supporting an initial C-H abstraction. J. Am. Chem. Soc. 1963, 85, 3487.
• For some examples “in the wild”, see the following.Mechanistic studies supporting an initial C-H abstraction. J. Am. Chem. Soc. 1963, 85, 3487.Another mechanistic study with tertiary benzylic carbon. J. Am. Chem. Soc. 1970 92 329
• For some examples “in the wild”, see the following.Mechanistic studies supporting an initial C-H abstraction. J. Am. Chem. Soc. 1963, 85, 3487.Another mechanistic study with tertiary benzylic carbon. J. Am. Chem. Soc. 1970 92 329Oxidation of various hydrocarbons with KMnO4 using trifluoroacetic acid: Can. J. Chem. 1978, 56, 1273

For some examples “in the wild”, see the following.Mechanistic studies supporting an initial C-H abstraction. J. Am. Chem. Soc. 1963, 85, 3487.Another mechanistic study with tertiary benzylic carbon. J. Am. Chem. Soc. 1970 92 329Oxidation of various hydrocarbons with KMnO4 using trifluoroacetic acid: Can. J. Chem. 1978, 56, 1273