Using the data provided, calculate the multiple bond energy (kJ mol−¹) of a C≡C bond in C₂H₂. Given that the heat of formation of C₂H₂=225 kJ mol−1. (take the bond energy of C−H bond as 350 kJ mol−¹ ): 2C(s)→2C(g) △H=1410 kJ mol−1 H2(g)→2H(g) △H=330 kJ mol−1 A. 1165 B. 837 C. 865 D. 815
