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8.37 The diatomic cations Br₂+ and 12+ are both known. a. On the basis of the molecular orbital model, what would you predict for the bond orders of these ions? Would you predict these cations to have longer or shorter bonds than the corresponding neutral diatomic molecules? b. Br2 is red, and 12+ is bright blue. What electronic tran- sition is most likely responsible for absorption in these ions? Which ion has the more closely spaced HOMO and LUMO? c. 12 is violet, and I2+ is blue. On the basis of frontier orbitals (identify them), account for the difference in their colors.

8.37 The diatomic cations Br₂+ and 12+ are both known. a. On the basis of the molecular orbital model, what would you predict for the bond orders of these ions? Would you predict these cations to have longer or shorter bonds than the corresponding neutral diatomic molecules? b. Br2 is red, and 12+ is bright blue. What electronic tran- sition is most likely responsible for absorption in these ions? Which ion has the more closely spaced HOMO and LUMO? c. 12 is violet, and I2+ is blue. On the basis of frontier orbitals (identify them), account for the difference in their colors.

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter9: Bonding And Molecular Structure: Orbital Hybridization And Molecular Orbitals
Section9.2: Molecular Orbital Theory
Problem 9.6CYU: The cations O2+ and N2+ are formed when molecules of O2 and N2 are subjected to intense, high-energy...
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8.37 The diatomic cations Br₂+ and 12+ are both known. a. On the basis of the molecular orbital model, what would you predict for the bond orders of these ions? Would you predict these cations to have longer or shorter bonds than the corresponding neutral diatomic molecules? b. Br2 is red, and 12+ is bright blue. What electronic tran- sition is most likely responsible for absorption in these ions? Which ion has the more closely spaced HOMO and LUMO? c. 12 is violet, and I2+ is blue. On the basis of frontier orbitals (identify them), account for the difference in their colors.
Transcribed Image Text:8.37 The diatomic cations Br₂+ and 12+ are both known. a. On the basis of the molecular orbital model, what would you predict for the bond orders of these ions? Would you predict these cations to have longer or shorter bonds than the corresponding neutral diatomic molecules? b. Br2 is red, and 12+ is bright blue. What electronic tran- sition is most likely responsible for absorption in these ions? Which ion has the more closely spaced HOMO and LUMO? c. 12 is violet, and I2+ is blue. On the basis of frontier orbitals (identify them), account for the difference in their colors.
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