題組內容

25. This question is about ethene, C₂H₄, and ethyne, C₂H₂.

25c. Under certain conditions, ethyne can be converted to benzene. Determine the standard enthalpy change, ΔH^Θ , for the reaction stated, using the data in the appendix. [2 marks]
3C₂H₂(g) → C₆H₆(g)