## Chemistry and Chemical Reactivity (9th Edition)

$\Delta\chi=0.102\sqrt{H_{N-I}-1/2(H_{N-N}+H_{I-I})}$ $\Delta\chi=3.0-2.7=0.3$ $H_{N-N}=163, H_{I-I}=151\ kJ/mol$ Solving for the N-I bond dissociation: $H_{N-I}=166\ kJ/mol$