Ethene reacts with hydrogen. The equation is given below. $\text{CH}_2{=}\text{CH}_2 + \text{H}_2 \rightarrow \text{C}_2\text{H}_6$ The table shows the bond energies. The reaction gives out heat. Calculate the energy change for the reaction?
- A$-560\ \text{kJ mol}^{-1}$
- B$-124\ \text{kJ mol}^{-1}$
- C$+486\ \text{kJ mol}^{-1}$
- D$+5496\ \text{kJ mol}^{-1}$