Which of the following has a coordinate bond?
Correct answer: C. NH3BF3
- A. NaCl
- B. CaO
- C. NH3BF3
- D. H2O
Explanation
The nitrogen atom in NH₃ donates its lone pair to the boron atom in BF₃, forming a coordinate covalent bond where both electrons in the bond come from nitrogen. This bond stabilizes BF₃ by completing its octet.
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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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