| Term | Definition |
| Methyl + Poor Nucleophile (H2O) | No reaction |
| Methyl + Weakly basic, good nucleophile (I-) | Sn2 |
| Methyl + Strongly basic, unhindered nucleophile (CH3O-) | Sn2 |
| Methyl + Strongly basic, hindered nucleophile ((CH3)3CO-) | Sn2 |
| Primary Unhindered Carbon + Poor Nucleophile (H2O) | No reaction |
| Primary Branched Carbon + Poor Nucleophile (H2O) | No reaction |
| Secondary Carbon + Poor Nucleophile (H2O) | Slow Sn1, E1 |
| Tertiary Carbon + Poor Nucleophile (H2O) | Sn1, E1 |
| Primary Unhindered Carbon + Weakly basic, good nucleophile (I-) | Sn2 |
| Primary Branched Carbon + Weakly basic, good nucleophile (I-) | Sn2 |
| Secondary Carbon + Weakly basic, good nucleophile (I-) | Sn2 |
| Tertiary carbon + Weakly basic, good nucleophile (I-) | Sn1,E1 |
| Primary Unhindered Carbon + Strongly basic, unhindered nucleophile (CH3O-) | Sn2 |
| Primary branched carbon + Strongly basic, unhindered nucleophile (CH3O-) | E2 |
| Secondary Carbon + Strongly basic, unhindered nucleophile (CH3O-) | E2 |
| Tertiary Carbon + Strongly basic, unhindered nucleophile (CH3O-) | E2 |
| Primary Unhindered Carbon + Strongly basic, hindered nucleophile ((CH3)3CO-) | E2 |
| Primary Branched Carbon + Strongly basic, hindered nucleophile ((CH3)3CO-) | E2 |
| Secondary Carbon + Strongly basic, hindered nucleophile ((CH3)3CO-) | E2 |
| Tertiary Carbon + Strongly basic, hindered nucleophile ((CH3)3CO-) | E2 |