Which of the following species has a permanent dipole moment?
Correct answer: A. SF4
- A. SF4
- B. SiF4
- C. BF3
- D. XeF4
Explanation
SF4 has sp3d hybridization so possesses a seesaw structure and has a permanent dipole moment.
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About Dipole Moment
Dipole moment measures the separation of positive and negative charge in a bond or molecule, with magnitude related to charge and distance, μ = q r. Questions distinguish polar bonds from polar molecules by considering bond direction, molecular geometry and whether individual bond moments cancel through symmetry.
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