Question

Carry out the following conversion:

Propanoic acid to ethane.

Answer 1

\[\ce{CH3CH2COOH ->[NH3/Heat]CH3-CH2CONH2->[Br2/KOH]CH3CH2NH2->[HNO2]CH3CH2OH ->[conc{.}H2SO4/170°C]CH2 = CH2 ->[H2/Ni]H3C-CH3}\]