Molecular Orbitals and Period 2 Diatomic
Chapter , Problem 72E(choose chapter or problem)
Problem 72E
Molecular Orbitals and Period 2 Diatomic Molecules (Sections)
(a) Sketch the molecular orbitals of the H2 - ion and draw its energy-level diagram., (b) Write the electron configuration of the ion in terms of its MOs., (c) Calculate the bond order in H2 -., (d) Suppose that the ion is excited by light, so that an electron moves from a lower-energy to a higher-energy molecular orbital. Would you expect the excited-state H2 - ion to be stable?
(e) Which of the following statements about part (d) is correct: (i) The light excites an electron from a bonding orbital to an antibonding orbital, (ii) The light excites an electron from an antibonding orbital to a bonding orbital, or, (iii) In the excited state there are more bonding electrons than antibonding electrons?
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