Q.

How would N-N bond distance or O-O bond distance change when N2 changes to N2+and O2 changes to O2+?

Moderate

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increase, decrease

decrease, increase

increases in both the cases

decreases in both the cases

answer is A.

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Detailed Solution

When N2+ is formed from N2, the electron is lost from the bonding molecular orbital and thus the bond order decreases. Consequently, the bond distance increases. When O2+ is formed, the electron is lost from an antibonding molecular orbital. Obviously, the bond order increases and the bond distance decreases.

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