Question

conversion of methyl amine to ethyl amine in a flow chart.

Answer 1

Methylamine can be converted to the ethylamine by first treating it with nitrous acid and thereafter reducing it by lithium aluminum tetrahyrdide.
HNO₂ PI₃ NaCN LiAlH₄
CH₃NH₂ ————→ CH₃OH ————→ CH₃I ————→ CH₃CN ————→ CH₃CH₂NH₂
^{Methylamine Methylalcohol Methyliodide Methylcyanide Ethylamine}