What are the expected bond angles in ICl4+?

lewis-structure

#1

What are the expected bond angles in ICl4+?

image

Answer:
image
The central I has 5 electron pairs (4 bp + I Ip) on it. Therefore, it undergoes image hybridisation.
The electron gemetry is triginal bipyramidal and the molecular geometry is seesaw.
image

The expected bond angles are as follows:

image