The Nitrosonium Ion, NO⁺, Forms a Number of Interesting Complexes

question 12

Multiple Choice

The nitrosonium ion, NO⁺, forms a number of interesting complexes with nickel, cobalt, and iron. According to molecular orbital theory, which statement about NO⁺ is correct?

• A) NO⁺ has a bond order of 2 and is paramagnetic.
• B) NO⁺ has a bond order of 2 and is diamagnetic.
• C) NO⁺ has a bond order of 3 and is paramagnetic.
• D) NO⁺ has a bond order of 3 and is diamagnetic.
• E) NO⁺ has a bond order of 2.5 and is neither paramagnetic nor diamagnetic.

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