Writereactions of the final alkylation product of aniline with excess ofmethyl
iodidein the presence of sodium carbonate solution.
Aniline reacts withmethyl iodide to produce N, N-dimethylaniline.
With excess methyliodide, in the presence of Na2CO3 solution, N,N-dimethylaniline produces N, N, N−trimethylaniliniumcarbonate.