The pair of species having an identical shape is:
Correct answer: C. XeF₂, CO₂
- A. CCl₄, SF₄
- B. PCl₃, BF₃
- C. XeF₂, CO₂
- D. PF₅, IF₅
Explanation
Both Xenon difluoride (XeF₂) and Carbon dioxide (CO₂) have a linear molecular shape. Although their electron geometries are different (trigonal bipyramidal for XeF₂ and linear for CO₂), the arrangement of their atoms in space is linear.
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Chemical bonding explains molecular shape through VSEPR theory and distinguishes sigma bonds from pi bonds. Questions involve hybridization, bond angles, dipole moment and bond energy, including how electron-pair repulsion determines geometry and how bond polarity differs from the overall polarity of a molecule.
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