Which molecule is planar?

Correct answer: B. XeF4

  • A. SF4
  • B. XeF4
  • C. NF3
  • D. SiF4

Explanation

In XeF4, there are two lone pairings. Ans. The electron geometry of Xenon is octahedral, but the molecular geometry is square planar. This is because there are six bonding electron pairs in Xenon, so it has an octahedral electron geometry, but two electron pairs in the centre are unbound and lone pairs.

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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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