The Energy Required to Break One Mole of Fluorine-Fluorine Bonds

Multiple Choice

The energy required to break one mole of fluorine-fluorine bonds in F₂ is 155 kJ/mol.What is the longest wavelength of light capable of breaking a single F-F bond?

A) 0.972 nm
B) 617 nm
C) 630 nm
D) 772 nm
E) 972 nm