How would you use the VSEPR theory to predict the molecular geometry of the molecule #AlBr_3#?

1 Answer
Mar 7, 2017

Hmm, there are 3 bonding pairs of electrons around the central aluminium atom..

Explanation:

VESPER dictates that the bonding pairs of electrons assume a shape that minimizes #"electron pair-electron pair"# interaction. This is a #"trigonal plane"# with #/_Br-Al-Br=120^@#.