1. Identify electrophiles from the followings.

A. SO₂ B. CH₃OH C. CF₃COOOH D. Pyridine.

2. Identify nucleophiles from the followings.

A. SO₃ B. SO₂Cl₂ C. H₂O D. POCl_3..

3. Which one of the followings is strongest nucleophiles in SN² in proteic solvents.

A. CH₃S^- B. I^- C.H₂O D F^-

4. Which one of the followings is strongest nucleophiles in SN² in proteic solvents.

A. I^- B. Br^- C. Cl^- D. F^-

5. Which one of the followings is strongest nucleophiles in SN² in proteic solvents.

A. OH^- B. ArO^- C. CH₃COO^- D. H₂O

6. Which one of the followings is strongest nucleophiles in SN² in proteic solvents.

A. NH₃ B. NH₂^- C. LDA D. DBU.

7. Which one of the followings is strongest nucleophiles in SN² in proteic solvents.

A. NH₃ B. CH₃NH₂ C. (CH₃)₂NH D.(CH₃)₃N

8. Which one of the followings is strongest nucleophiles in SN² in Aproteic solvents.

A. I^- B. Br^- C. Cl^- D. F^-

9. Identify electrophiles from the followings.

A. CH₄ B. H₂0 C. HOCl D. CH₃MgBr

10. Identify electrophiles from the followings.

A. CCl₄ B. P(Ph)₃ C. C₆H₆ D. CH₃COCl

ans. 1. C 2 C 3 A 4 A 5 A 6 B 7 B 8 D 9 C 10. B