C₂H₆ → 2C + 6H, ΔH = +2822.7 kJ. Given C–H = +415 kJ, find the C–C bond energy.
University of Ilorin CHM101 2026-exam past question
- 332.7 kJ
- 665.4 kJ
- 116.5 kJ
- 445.2 kJ
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