Nucleophilic strengths

nguyentm@plu.edu
Sun, 15 Dec 1996 21:01:26 -0800 (PST)

Why is nucleophilic strength based on the size of the atom in a protic
solvent and is directly related to the basicity of the nucleophile in an
aprotic solvent? What are the determing factors whether a nucleophile
undergoes and SN2 or an E2 reaction, it's basicity?
tuan