Final answer:
The bond energy of P-Cl in PCl3 is c)partially true.
Step-by-step explanation:
The bond energy of P-Cl in PCl3 is c)partially true.
In a molecule of phosphorus pentachloride (PCl3), there are five P-Cl bonds. Each P-Cl bond has a different bond energy due to the different electronegativities of phosphorus and chlorine.The phosphorus atom attracts the shared electrons more than the chlorine atoms, resulting in a slightly polar covalent bond. This means that while the bond has some ionic character, it is mainly covalent.