A Lewis base among the following is:
1. | BF3 | 2. | PF3 |
3. | CF4 | 4. | SiF4 |
1. H3O+ and H2F+, respectively.
2. OH– and H2F+, respectively.
3. H3O+ and F–, respectively.
4. OH– and F–, respectively.
1. | CH3OH is the conjugate acid of CH3O-. |
2. | The CH3O– ion is a Lewis acid. |
3. | The final mixture of solutions would have a pH below 7. |
4. | Water is acting as a Bronsted–Lowry base. |