Chemistry 401

Intermediate Inorganic Chemistry

University of Rhode Island

Homework 2

Predict the gross molecular structure and all of the bond angles in the following:

a. ClO₄^–

Lewis structure:

Gross molecular structure: tetrahedral

Bond angles: all O-Cl-O ~109.5°

b. BrF₄^–

Lewis structure:

Gross molecular structure: square planar

Bond angles: four F-Br-F 90° and two F-Br-F 180°

c. AsF₆^–

Lewis structure:

Gross molecular structure: octahedral

Bond angles: 12 F-As-F 90° and 3 F-As-F 180°

d. ReO₄^–

Lewis structure:

Gross molecular structure: tetrahedral

Bond angles: all O-Re-O ~109.5°