Nucleophiles and Electrophiles — Prelims Questions

Which of the following species is the strongest nucleophile in a protic solvent?

Which of the following is primarily an electrophile?

Which of the following statements about nucleophiles and bases is INCORRECT?

Which of the following is the correct order of decreasing nucleophilicity in an aprotic solvent?

Which of the following species can act as both a nucleophile and an electrophile?

Which of the following factors generally increases the nucleophilicity of a species?

In the reaction: $\text{CH}_3\text{CH}_2\text{Br} + \text{OH}^- \rightarrow \text{CH}_3\text{CH}_2\text{OH} + \text{Br}^-$, identify the nucleophile and the electrophile.