We’re being asked to draw a predict the ideal bond angle for the chlorite ion (ClO2-).
To do that we would first need to determine the Lewis structure.
We first need to determine the total number of valence electrons present in the molecule:
*each negative charge adds an electron.
Group Valence Electrons
O 6A 2 × 6 e– = 12 e–
Cl 7A 1 × 7 e– = 7 e–
Charge (-1) +1 e–
Total: 20 valence e–
Predict the ideal bond angle(s) in the chlorite ion:
A. 90° B. 109.5° C. 120° D. 180° E. more than one of the other answers is correct