Which of the following is NOT a feature of Valence Shell Electron Pair Repulsion theory?
Correct answer: D. Only lone pairs participate in determining geometry of molecules.
- A. It determines the shape of molecule
- B. Pairs of electrons repel each other.
- C. It helps in understanding the interaction of medicinal drug molecules.
- D. Only lone pairs participate in determining geometry of molecules.
Explanation
No, both bonding pairs and lone pairs of electrons contribute to determining the geometry of molecules. According to the Valence Shell Electron Pair Repulsion (VSEPR) theory, electron pairs-whether bonding or lone-repel each other and try to maximize their distance apart. This influences the molecular geometry.
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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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