How are nitro alkanes prepared for the following alkyl bromides – InterviewSolution

1.	How are nitro alkanes prepared for the following alkyl bromides
Answer» SOLUTION :ALKYL bromides (or) iodides on heating with ethanolic solution of POTASSIUM nitrite GIVES nitroethane. `{:(CH_3CH_2-Br+KNO_2underset(SN_2)overset(" ethanol""/"triangle)(to)CH_3CH_2-NO_2+KBr),(" Ethyl bromideNitroethane "):}` The reaction follows `SN_2` MECHANISM.

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