
HL Paper 3
Ethylamine, \({{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}{\text{N}}{{\text{H}}_{\text{2}}}\), is a weak base.
Explain why ethylamine has basic properties.
[1]
a.
The \({\text{p}}{K_{\text{b}}}\) values at 298 K for diethylamine and triethylamine are given in Table 15 of the Data Booklet. Identify which of the two compounds is the stronger base and suggest a reason why it is stronger.
Stronger base:
Reason:
[2]
b.