Chapter 10, Problem 88APP

For each of the following, draw the Lewis structure and determine the shape: (10.1, 10.3)
a. ${\text{PCl}}_{\text{4}}{}^{+}$
b. ${\text{O}}_{\text{2}}{}^{\text{2-}}$
c. ${\text{COCl}}_{\text{2}}\left(\text{C is the central atom}\right)$
d. $\text{HCCH}$