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If H for the reaction I2 (s)  2I (g) is 153 kJ/mol. What is the longest wavelength of light that can break an I – I bond? In other words, what is the minimum energy, expressed in terms of wavelength, required to break one I – I bond?

A. 246 nm
B. 465 nm
C. 349 nm
D. 699 nm
E. 783 nm

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