Chapter 5, Problem 5.3P

On the basis of molecular orbitals, predict the weakest bond, and provide a brief explanation.
a. ${\text{P}}_{\text{2}}{\text{S}}_{\text{2}}{\text{Cl}}_{\text{2}}$
b. ${\text{S}}_{{\text{2}}^{\text{+}}}{\text{S}}_{\text{2}}{\text{S}}_{{\text{2}}^{\text{-}}}$
c. ${\text{NO}}^{\text{-}}{\text{NONO}}^{\text{+}}$