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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
Chemistry
9th Edition
ISBN:9781133611097
Author:Steven S. Zumdahl
Publisher:Steven S. Zumdahl
Chapter9: Covalent Bonding: Orbitals
Section: Chapter Questions
Problem 8ALQ: What are the relationships among bond order, bond energy, and bond length? Which of these quantities...
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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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