To answer the following questions, use the given molecular orbital diagram below.
A. How many unpaired electrons are in NO?
a. 0       b. 1       c. 2       d. 3


B. What is the bond order of CO?
a. 1.5       b. 2       c. 2.5       d. 3


C. Which of the following is not paramagnetic?
a. NO⁺       b. OF       c. NO       d. CO⁺

• A. A) 2; B) 2; C) NO
• B. A) 0; B) 2.5; C) CO⁺
• C. A) 1; B) 3; C) NO⁺
• D. A) 3; B) 3; C) OF

Answer: (C)