6. Thermodynamics and Kinetics
Enthalpy
8PRACTICE PROBLEM
For the following reaction, the value of ∆H° is −42 kcal/mol. Calculate the bond dissociation enthalpy of the C—H bond when the bond dissociation enthalpies of O—Cl, C—Cl, and O—H bonds are 47, 85, and 105 Kcal/mol, respectively.
![](https://lightcat-files.s3.amazonaws.com/problem_images/d42a4362701bfbdd-1683550492216.jpg)
A. 101 Kcal/mol
B. 120 Kcal/mol
C. 50 Kcal/mol
D. 320 Kcal/mol
For the following reaction, the value of ∆H° is −42 kcal/mol. Calculate the bond dissociation enthalpy of the C—H bond when the bond dissociation enthalpies of O—Cl, C—Cl, and O—H bonds are 47, 85, and 105 Kcal/mol, respectively.
A. 101 Kcal/mol
B. 120 Kcal/mol
C. 50 Kcal/mol
D. 320 Kcal/mol