Chapter 3, Problem 3.30P

a. Are the ${\text{CF}}_{\text{3}}$ groups in ${\text{PCl}}_{\text{3}}{\left({\text{CF}}_{\text{3}}\right)}_{\text{2}}$ more likely axial or equatorial? Explain briefly.
b. Are the axial or equatorial bonds likely to be longer in ${\text{SbCl}}_{\text{5}}$ ? Explain briefly.