Question

During acetylation of amines, what is replaced by acetyl group?

Answer 1

In the given question firstly we have to define the process of acetylation and more specifically the acetylation of amines. Which is the process that introduces an acetyl functional group into a given chemical compound.

Complete step-by-step answer: The given question statement asks about the chemical process which is regarding the acetylation of amines. It is replaced by the acetyl group after the process is completed. Now we just have to provide the idea regarding the acetylation and the amines and the action about it
Acetylation is the name given to an organic esterification reaction with acetic acid. It is the process that introduces an acetyl functional group into a given chemical compound. The formed compounds are commonly termed acetate esters or acetates. Deacetylation can be said as the opposite reaction to the acetylation where the removal of an acetyl group from a chemical compound takes place.
In the above reaction there is the acetylation of methyl-amine which is a primary amine.

Now we know that in this compound, one or more hydrogens attached to the nitrogen atom are replaced by the coming of acetyl group.
This is the chemical reaction of the given problem statement:
$C{H_3} - NH + C{H_3} - COCl \to C{H_3} - NH - CO - C{H_3} + HCl$

Note: Owing to inductive effects, the basicity of an amine might be expected to increase with the number of alkyl groups on the amine. Correlations are complicated owing to the effects of solvation which are opposite the trends for inductive effects. Solvation effects also dominate the basicity of aromatic amines (anilines).