For a diatomic molecule AB, the electronegativity difference between A and B= 0.2028 sqrt triangle where triangle =[Bond energy of AB- Geometric mean of the bond energies of A_2 and B_2]. The electonegativities of fluorine and chlorine are 4.0 and 3.0 respectively and the bond energies are of F-F : 38 kcal mol^-1 and Cl-Cl : 58 kcal mol^-1 . The bond energy of Cl-F is:
Which has higher bond energy and stronger bond ?
The dissociation energy of CH_4 and C_2H_6 are respectively 360and 620 kcal/mole. The bond energy of C-C bond is:
