The Dissociation Energy Is the Energy Required to Separate the Two

question 62

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

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