The lone pairs in the BrF3 molecule, occupy equatorial positions to minimize:
| 1. | Bond pair – bond pair repulsion only |
| 2. | Lone pair – lone pair repulsion and lone pair–bond pair repulsion |
| 3. | Lone pair – lone pair repulsion only |
| 4. | Lone pair – bond pair repulsion only |
Which of the following molecules has trigonal planar geometry:
| 1. | NH3 | 2. | BF3 |
| 3. | PCl3 | 4. | IF3 |