The Dissociation Energy Is the Energy Required to Separate the Two

Multiple Choice

The dissociation energy is the energy required to separate the two atoms in a diatomic molecule in their ground-state.If the dissociation energy of molecular oxygen is 7.2 eV,then calculate the maximum wavelength of light from the Sun that can break apart atmospheric O₂.

A) 1.7 $\times$ 10^-7 nm
B) 1.7 $\times$ 10^-8 m
C) 1.7 $\times$ 10^-9 m
D) 1.7 $\times$ 10^-7 m
E) 1.7 $\times$ 10² m