Describe the relative basicities of ammonia, ethylamine and phenylamine, starting with the least basic. Explain your answer in terms of their structures. < < least basic most basic
phenylamine < ammonia < ethylamine [1]
- Ip on nitrogen of phenylamine delocalised into ring
- alkyl group of ethylamine electron donating / has positive inductive effect [1]
- correct statement about availability of lone pair to accept proton once [1]