Bond Angles Video Lessons

Concept:

# Problem: Part A. PF3Cl2 is a nonpolar molecule. Based on this information, determine the F−P−F bond angle, the Cl−P−Cl bond angle, and the F−P−Cl bond angle.Enter the number of degrees of the F−P−F , Cl−P−Cl , and F−P−Cl bond angles, separated by commas (e.g., 30,45,90)A molecule can be polar or nonpolar depending upon the nature of the bonds and the shape of the molecule. For a molecule that has different outer atoms the molecular symmetry will decide the polarity.If the molecular geometry is such that the dipole moments of each polar bond cancel each other then the molecule is nonpolar.However, if the the molecular geometry is such that the dipole moments of each polar bond don’t cancel each other then the molecule is polar.

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###### Problem Details

Part A. PF3Cl2 is a nonpolar molecule. Based on this information, determine the F−P−F bond angle, the Cl−P−Cl bond angle, and the F−P−Cl bond angle.

Enter the number of degrees of the F−P−F , Cl−P−Cl , and F−P−Cl bond angles, separated by commas (e.g., 30,45,90)

A molecule can be polar or nonpolar depending upon the nature of the bonds and the shape of the molecule. For a molecule that has different outer atoms the molecular symmetry will decide the polarity.

If the molecular geometry is such that the dipole moments of each polar bond cancel each other then the molecule is nonpolar.
However, if the the molecular geometry is such that the dipole moments of each polar bond don’t cancel each other then the molecule is polar.