Methane does not undergo nitration reaction.Why?
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https://www.meritnation.com/ask-answer/question/why-does-lower-alkanes-do-not-undergo-nitration-or-sulphonat/hydrocarbons/6901757
https://www.meritnation.com/ask-answer/question/why-does-lower-alkanes-do-not-undergo-nitration-or-sulphonat/hydrocarbons/6901757