\[\ce{\underset{\text{Propanenitrile}}{C2H5 – C ≡}N + H2O + dil. NaOH ->[\triangle]\underset{\text{Sodium propanoate}}{C2H5 – COONa} + NH3}\]b) Diute HCl \[\ce{\underset{\text{Propanenitrile}}{C2H5 – C ≡ N}+ 2H2O + dil. HCl->[\triangle]\underset{\text{Propanoic acid}}{C2H5 – COOH} + NH4Cl}\]