Chemistry

Question Analysis
This question involves VSEPR theory. The main focus is on determining the number of lone pairs on the central atom and the resulting molecular geometry.

Key Concept Explanation
According to VSEPR theory, electron pairs around a central atom repel each other and arrange themselves as far apart as possible to minimize repulsion.
The molecular geometry depends on: 1. The number of electron domains (bonding + lone pairs). 2. Whether lone pairs are present.

Step-by-step Solution
1. Identify the central atom: Phosphorus (P)
2. Determine valence electrons: P: 5 valence electrons. F: 7 valence electrons each.
3. Analyze the central atom: Ph...