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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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louist louist
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2 years ago
Identify all of the following species which show an increase in bond order when you
take away one electron from the molecule/molecular ion?
 He2+ , B2,  C2-, N2,  O2+, F2-, Ne2+, H2
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Educator
2 years ago Edited: 2 years ago, bio_man
Hi @louist, I'm not entirely sure on this one, but here are my findings:

bond order = (bonding electrons - anti-bonding electrons) / 2

He2+ has 3 electrons, because He normally has 4. Therefore, the bond order is 2-1 / 2 = 0.5. Removing an electron would increase its bond order to 1.

B2 has 4 bonding and 2 antibonding, so (4-2) / 2 = 1. Removing one would make the bond order decrease.

C2- will have a greater bond order after an electron is removed.

N2 has a bond order of 3. Taking away one would make it 2.5

O2+ bond order decreases when it becomes O22+.

F2- bond order decreases when an electron is removed.

Ne2+ has a bond order of 0.5. Bond order would decrease after removing another electron.

H2 has a bond order of 1. H2+ is 0.5.


 
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