Using the Table of Average Bond Energies Below, the ΔH

question 22

Multiple Choice

Using the table of average bond energies below, the ΔH for the reaction is ________ kJ. H-C≡C-H (g) + H-I (g) → H₂C CHI (g)
Bond: C≡C C=C H-I C-I C-H
D (kJ/mol) : 839 614 299 240 413

• A)+506
• B)-931
• C)-506
• D)-129
• E)+129