A molecule can be polar or nonpolar depending upon the nature of the bonds and t

Question

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%u2019t cancel each other then the molecule is polar.

A.) PI3Cl2 is a nonpolar molecule. Based on this information, determine the I%u2212P%u2212I bond angle, the Cl%u2212P%u2212Cl bond angle, and the I%u2212P%u2212Cl bond angle. What is the number of degrees of the I-P-I, Cl-P-Cl, and I-P-Cl bond angles?

B.) What statement best describes the polarity of NaCl3?

-%u2212P

Explanation / Answer

a) Cl are in axial pos. and I in equatorial..... so IPI angle is 120 deg Cl P Cl angle is 180 degree and I P Cl angle 90 degree

b) polar

c) depends on atom arrangement

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