Moderate

The structure of NH₃ according to VSEPR is:

Correct answer: B. Three bond pairs, one lone pair

  • A. Three bond pairs, two lone pairs
  • B. Three bond pairs, one lone pair
  • C. Three bond pairs only
  • D. Two bond pairs, one lone pair

Explanation

According to VSEPR, the structure of ammonia involves three bond pairs and one lone pair. Nitrogen, being the central atom, makes three single bonds with hydrogens and has one lone pair.

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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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