vsepr & hybridisation

Question

Which pair correctly matches molecule with geometry?

RankGuru · Accepted Answer

1. **XeF4 Analysis**: Xe has 8 valence electrons. 4 are used for bonding with F, leaving 4 electrons as **2 lone pairs**. 
   - Steric Number = $4 + 2 = 6$.
   - Geometry = Octahedral; Molecular Shape (VSEPR) = **Square Planar** (lone pairs at axial positions).
2. **Check others**:
   - **BF3**: 3 bonds + 0 LP $\implies$ Trigonal Planar (not pyramidal).
   - **SO2**: 2 $\sigma$ bonds + 1 LP $\implies$ Bent (not linear).
   - **NH4+**: 4 bonds + 0 LP $\implies$ Tetrahedral (not trigonal planar).

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vsepr & hybridisation

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