The boiling point of water is higher than other hydrides because water molecules can form:
Correct answer: A. 4 hydrogen bonds
- A. 4 hydrogen bonds
- B. 3 hydrogen bonds
- C. 2 hydrogen bonds
- D. 1 hydrogen bond
Explanation
Each water (H₂O) molecule can form four hydrogen bonds in total:2 hydrogen atoms → can each form 1 hydrogen bond (as donors)2 lone pairs on oxygen → can each form 1 hydrogen bond (as acceptors)Total = 4 hydrogen bonds per water molecule
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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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