The type of bonds present in the final product formed in the reaction of excess ethyl chloride with ammonia in a sealed tube at 373 K is/are

4C2H5Cl→-3HClNH3C2H54N+Cl- ; Tetra ethyl ammonium chlorideIonic bond between C2H54N+ and Cl- ;Dative bond between C2H53N. . and C2H5Cl, nitrogen donates its lp to ethyl carbocation ;Covalent bonds between C-H, N-H etc.