Based on the Following Data,what Is the Bond Energy of the C=C

question 79

Multiple Choice

Based on the following data,what is the bond energy of the C=C bond in 1,1-difluoroethylene,CF₂CH₂?
CH₄(g) → C(g) + 4H(g) ; ΔH = 1656 kJ
CF₄(g) → C(g) + 4F(g) ; ΔH = 1756 kJ
CF₂CH₂(g) → 2C(g) + 2H(g) + 2F(g) ; ΔH = 2317 kJ

• A)611 kJ/mol
• B)845 kJ/mol
• C)820 kJ/mol
• D)1706 kJ/mol
• E)1910 kJ/mol

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