Q11(c). Bond dissociation energy from band convergence
The electronic spectrum of a diatomic molecule A₂ shows a series of bands converging to a continuum at 200 nm. One of the atoms formed at 200 nm is in an excited state, which lies 8000 cm⁻¹ above its ground state. Calculate the bond dissociation energy of A₂.
Model answer
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Coversconvergence limitbond dissociation energyelectronic spectraexcited atom
All parts of Question 11
- 11(a) Correct conditions for chemical equilibrium5 marks
- 11(b) EMF of Zn | ZnCl₂(m) | AgCl, Ag in terms of γ±5 marks
- 11(c) Bond dissociation energy from band convergence10 marks