Which one of the following molecules has zero dipole movement?
Correct answer: B. Carbon dioxide
- A. Ammonia
- B. Carbon dioxide
- C. Hydrogen fluoride
- D. Water
Explanation
Has a dipole moment of 0 D because it is a linear molecule with symmetrical charge distribution; the dipoles of the C=O bonds cancel each other out.
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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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