Solved: Except for nitrogen, the elements of Group 5A(15) all form pentafluorides, and
Chapter 10, Problem 10.86(choose chapter or problem)
Except for nitrogen, the elements of Group 5A(15) all form pentafluorides, and most form pentachlorides. The chlorine atoms of PCl5 can be replaced with fluorine atoms one at a time to give, successively, PCl4F, PCl3F2, , PF5. (a) Given the sizes of F and Cl, would you expect the first two F substitutions to be at axial or equatorial positions? Explain. (b) Which of the five fluorine-containing molecules have no dipole moment?
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