Question: (a) The PH3 molecule is polar. Does this offer experimental proof that the molecule cannot be planar? Explain. (b) It turns out that ozone, O3,

(a) The PH3 molecule is polar. Does this offer experimental proof that the molecule cannot be planar? Explain.
(b) It turns out that ozone, O3, has a small dipole moment. How is this possible, given that all the atoms are the same?

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