試題詳解

89. For an unknown molecules A₂, if the dissociation energy is 1204 kJ/mol, what is the maximum wavelength of electromagnetic radiation required to rupture this bond? (Planck constant: 6 × 10^-34 J.s, light of speed: 3 × 10⁸ m/s)
(A) 90 nm
(B) 120 nm
(C) 150 nm
(D) 180 nm
(E) 210 nm