Hydrogen reacts with chlorine to produce hydrogen chloride. This reaction releases heat. $\text{H}_2(\text{g}) + \text{Cl}_2(\text{g}) \rightarrow 2\text{HCl}(\text{g})$ The overall energy change for this reaction is $-184\ \text{kJ mol}^{-1}$. The table lists some of the bond energies involved. H-Cl: $+430\ \text{kJ mol}^{-1}$ H-H: $+436\ \text{kJ mol}^{-1}$ What is the Cl-Cl bond energy?
- A$-240\ \text{kJ mol}^{-1}$
- B$-190\ \text{kJ mol}^{-1}$
- C$+190\ \text{kJ mol}^{-1}$
- D$+240\ \text{kJ mol}^{-1}$