Organic Compounds Containing Nitrogen

Step 1: Basicity of amines.
Methyl amine (CH NH ) is more basic than ammonia (NH ) because the methyl group is an electron-donating group. This increases the electron density on the nitrogen atom, making it more available to accept protons.

Step 2: Conclusion.
Methyl amine is more basic than ammonia.

Step 1: Basicity of Ethylamine and Ammonia.
Ethylamine ( ) is more basic than ammonia ( ) because the ethyl group ( ) is an electron-donating group. It pushes electron density towards the nitrogen atom, making it more nucleophilic and able to donate a lone pair of electrons more readily than ammonia.

Step 2: Conclusion.
Thus, ethylamine is more basic than ammonia due to the electron-donating effect of the ethyl group.

Step 1: Coupling reaction.
Coupling reactions involve the reaction of two aromatic compounds, often involving a diazonium ion as an intermediate. An example is the formation of -hydroxy azobenzene from an aromatic amine and a diazonium salt.

Step 2: Conclusion.
An example of a coupling reaction produces -hydroxy azobenzene.

Step 1: Formula of Hinsberg's reagent.
Hinsberg's reagent is , a sulfonyl chloride used to identify primary and secondary amines.

Step 2: Conclusion.
The formula of Hinsberg's reagent is .