Question

Carry out the following conversion:

Propanoic acid to ethane

Answer 1

\[\ce{CH3CH2COOH ->[NH3/Heat][]CH3-CH2CONH2->[Br2/KOH][]CH3CH2NH2->[HNO2][]CH3CH2OH ->[conc{.}H2SO4/170°C][]CH2 = CH2 ->H3C-CH3}\]