30. The nitrosonium ion, NO+, forms numerous fascinating complexes with nickel, cobalt, and iron. Based on molecular orbital theory, which of the following statements accurately describes NO+? (A) The nitrosonium ion, NO+, possesses a bond order of 2 and exhibits paramagnetism (B) The nitrosonium ion, NO+, possesses a bond order of 2 and exhibits diamagnetism (C) The nitrosonium ion, NO+, possesses a bond order of 3 and exhibits paramagnetism (D) The nitrosonium ion, NO+, possesses a bond order of 3 and exhibits diamagnetism (E) None of these choices are correct