Question

Given that H= -311 kJ for the hydrogenation of acetylene, C2H2:
H-CC-H(g) + 2 H2(g) -> CH3-CH3(g)
and the following bond dissociation energies, estimate a value for the C-to-C triple bond dissociation energy.

A) 1050 kJ/mol
B) 833 kJ/mol
C) 807 kJ/mol
D) 397 kJ/mol

Answer

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