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Question
How will you convert ethanamine into methanamine?
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Solution
\[\ce{\underset{Ethanamine}{CH3CH2NH2} ->[HCl + NaNO2] \underset{Ethanol}{CH3CH2OH} ->[K2Cr2O7/H2SO4] \underset{Ethanoic acid}{CH3COOH} ->[NH3] CH3COONH4 ->[\Delta][-H2O] \underset{Ethanamide}{CH3CONH2} ->[Br2/KOH] \underset{Methanamine}{CH3NH2}}\]
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