Vsepr & Hybridisation
Which pair correctly matches molecule with geometry?
Select the correct option:
Solution
XeF4 – square planar
- 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).
- Check others:
- BF3: 3 bonds + 0 LP ⟹ Trigonal Planar (not pyramidal).
- SO2: 2 σ bonds + 1 LP ⟹ Bent (not linear).
- NH4+: 4 bonds + 0 LP ⟹ Tetrahedral (not trigonal planar).
🔒 Solution Hidden from View
Submit your answer to unlock the detailed step-by-step solution.
More vsepr & hybridisation Practice Questions
Which statement about hydrogen bonding is correct?
Which statement about hydrogen bonding is correct?
Which statement best explains why PF5 is stable while NF5 is not?
Which statement best explains why PF5 is stable while NF5 is not?
Formal charge on oxygen in the nitrate ion (NO3−) using a structure with one double bond and two sin...
Formal charge on oxygen in the nitrate ion (NO3−) using a structure with one double bond and two sin...
Which set lists increasing bond length for the carbon–oxygen bonds?
Which set lists increasing bond length for the carbon–oxygen bonds?
The approximate bond angle in NH3 is:
The approximate bond angle in NH3 is:
About This Question
- Subject
- chemistry
- Chapter
- chemical bonding and molecular structure
- Topic
- vsepr & hybridisation
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
XeF4 – square planar
- 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).
- Check others:
- BF3: 3 bonds + 0 LP ⟹ Trigonal Planar (not pyramidal).
- SO2: 2 σ bonds + 1 LP ⟹ Bent (not linear).
- NH4+: 4 bonds + 0 LP ⟹ Tetrahedral (not trigonal planar).
This medium difficulty chemistry question is from the chapter chemical bonding and molecular structure, covering the topic of vsepr & hybridisation. It appeared in the 2025 exam.
Looking for more practice? Explore all chemistry questions or browse chemical bonding and molecular structure questions on RankGuru.