An Electron Is Promoted from The $\pi$ To The $\pi$ ^* Molecular Orbital in an N₂ Molecule Following the Absorption

question 22

Multiple Choice

An electron is promoted from the $\pi$ to the $\pi$ ^* molecular orbital in an N₂ molecule following the absorption of a photon. Compared to the bond length in the non-excited molecule, the N₂ bond length will

• A) not be affected
• B) belonger
• C) be shorter

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