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BondingMCQ

The bond in gas-phase O2 (121 pm) is significantly longer than the bond in gas-phase O2+ (112 pm). W โ€” Bonding Chemistry Question

Question

The bond in gas-phase O2 (121 pm) is significantly longer than the bond in gas-phase O2+ (112 pm). What is the best explanation for this difference?

A.

O2 has one more antibonding electron than O2+.

โœ“ Correct
B.

O2 has two unpaired electrons while O2+ has one.

C.

The bond in O2 has less ionic character than the bond in O2+.

D.

It requires more energy to remove an electron from O2 to form O2+ than it does to remove an electron from O to form O+.

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