Module 1 - Organic Chemistry QUESTIONS & ANSWERS

In nucleophilic substitution reactions with alkyl halides the leaving group is? A) A hydroxide group. B) A halide anion. C) A halide cation. D) A carbon atom. E) An ester. - CORRECT ANSWER-B) A halide anion. Rank the following ions in terms of their leaving group reactivity. Br-, Cl-, I-, F-. A) Br- Cl- F- I-. B) I- Br- Cl- F-. C) Cl- Br- F- I-. D) F- Cl- Br- I-. E) F- Cl- Br- I-. - CORRECT ANSWER-B) I- Br- Cl- F-. How are basicity and leaving group ability related? A) They are not related to each other. B) Good leaving groups are strong bases. C) Good leaving groups are weak bases. - CORRECT ANSWER-C) Good leaving groups are weak bases. The term SN2 stands for? A) A solvation reaction. B) An electrophilic addition reaction. C) A nucleophilic reaction. D) A unimolecular substituent reaction. E) A bimolecular nucleophilic substitution reaction. - CORRECT ANSWER-E) A bimolecular nucleophilic substitution reaction. The transition state geometry