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How are nitro alkanes prepared for the following methane |
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Answer» Solution :GASEOUS mixture of methane and nitric acid passed through a red hot metal tube to give nitromethane. `{:(CH_(4(g))+HNO_(3(g))underset(" Red hot SI tube ")overset(675 K)(to)CH_3-NO_2+H_2O),(" MathaneNitro methane "):}` Except methane, other alkanes (upto n-hexane) give a mixture of NITROALKANES due to C-C cleavage. The individual nitro alkanes can be separated by FRACTIONAL distillation. 
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