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The correct order of bond order among following species isI. NO–3NO3–II.  NO+2NO2+III. He2  IV. O2–2O22–

Question

The correct order of bond order among following species isI. NO–3NO3–II.  NO+2NO2+III. He2  IV. O2–2O22–

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Solution

The bond order of a molecule can be calculated using the formula:

Bond Order = 0.5 * (Number of bonding electrons - Number of antibonding electrons)

Let's calculate the bond order for each of the given species:

I. NO3–: The Lewis structure of NO3– shows that it is a resonance hybrid of three structures. So, the bond order is 1.33.

II. NO2+: The Lewis structure of

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