Which of the following molecules does not have planar geometry?
Correct answer: D. Phosphorus trichloride
- A. Benzene
- B. Boron trifluoride
- C. Ethene
- D. Phosphorus trichloride
Explanation
Phosphorus trichloride does not have a planar geometry. It has a trigonal pyramidal molecular geometry. In a PCl3 molecule, phosphorus forms three sigma bonds with three chlorine atoms.The arrangement of these bonds is such that the three chlorine atoms are located at the corners of a trigonal pyramid around the central phosphorus atom.
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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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