2. Rank the following compounds in order of base 2. Rangskik die volgende verbindinge in volgorde strength (1= strongest base; 6 = weakest base). Van sterkste tot swakste basis (1 - sterkste basis; 6 Support your answer with pKa values. [4] - swakste basis). Ondersteun jou antwoord met pKawaardes. 4 Na