-2 ab. a, and b, are diatomic molecules. ifthe bond enthalpies of a., ab &b, are in the ratio 1:1:0.5 and enthalpy of formation ofab from a, and b.- 100 kj/mol.

-2 AB. A, and B, are diatomic molecules. Ifthe bond enthalpies of A., AB &B, are in the ratio 1:1:0.5 and enthalpy of formation ofAB from A, and B.- 100 kJ/mol. What is the bond enthalpy ofA,? (a) 400 kJ/mol (b) 200 kJ/mol (c) 100 k.J/mol (d) 300 kJ/mol Given that