One of the molecular orbitals of the H2- ion is sketched
Chapter , Problem 105AE(choose chapter or problem)
One of the molecular orbitals of the \(\mathrm{H}_{2}^{-}\) ion is sketched below:
(a) Is the molecular orbital a \(\sigma \text { or } \pi \mathrm{MO}\) ? Is it bonding or antibonding?
(b) In \(\mathrm{H}_{2}^{-}\), how many electrons occupy the \(\mathrm{MO}\) shown above?
(c) What is the bond order in the \(\mathrm{H}_{2}^{-}\) ion?
(d) Compared to the \(\mathrm{H}-\mathrm{H}\) bond in \(\mathrm{H}_{2}\), the \(\mathrm{H}-\mathrm{H}\) bond in \(\mathrm{H}_{2}^{-}\) is expected to be which of the following:
(i) Shorter and stronger,
(ii) longer and stronger,
(iii) shorter and weaker,
(iv) longer and weaker, or
(v) the same length and strength?
Equation Transcription:
Text Transcription:
H2-
\sigma \text { or } \pi \mathrm{MO}
H2-
MO
H2-
H-H
H2
H-H
H2-
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