Which compound shows maximum hydrogen bonding?
Correct answer: B. H2O
- A. HF
- B. H2O
- C. NH3
- D. All of the above
Explanation
H2O, being a polar molecule, is capable of forming extensive hydrogen bonds with other water molecules, and it is also able to form hydrogen bonds with other polar molecules such as NH3 and HF. H2O has 2 lone pairs so it can form 2 hydrogen bonds per molecule. Therefore, it has maximum hydrogen bonding strength.
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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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