what is the molecular geometry for the following elements

Question

A) SeB4
B) carbonate ion
C) XeF5+
D) ammonium ion
E) phosphorus trichloride

can someone tell me if im right with my anwsers and if im wrong what is the correct anwser?
a-trigonal bipyramid
b- trigonal planar
c-trigonal bipyramid
d-tetrahedral
d- trigonal pyramid

a-trigonal bipyramid
b- trigonal planar
c-trigonal bipyramid
d-tetrahedral
d- trigonal pyramid

For Further Reading

Answer 1

The XeF5+ is not trigonal biyramid as the is a lone pair of electrons, VSEPR theory shows that the molecule has the structure AB5L which is a square based pyramid