Electronic transition

2. Types of Transition
 The possible electronic transitions

3. Energy level diagram

4. The Possible Electronic Transitions Can
Graphically Shown As:

5. 1. σ→ σ* transition

6. 2. π → π* transition

7. 3. n→σ* transition

8. 4. n→π* transition

9. 5. σ→π* transition
6. π→σ* transition