Assuming a Coordination Complex Is Formed with Fe²⁺ and 1,10-Phenanthroline

question 31

Multiple Choice

Assuming a coordination complex is formed with Fe²⁺ and 1,10-phenanthroline (shown below) , which of the following statements is true?

• A)If two 1,10-phenanthroline molecules are coordinated to the iron ion, then the coordination number is 2.
• B)If two 1,10-phenanthroline molecules are coordinated to the iron ion, then the coordination number is 6.
• C)If three 1,10-phenanthroline molecules are coordinated to the iron ion, then the coordination number is 3.
• D)If three 1,10-phenanthroline molecules are coordinated to the iron ion, then the coordination number is 6.
• E)If four 1,10-phenanthroline molecules are coordinated to the iron ion, then the coordination number is 4.

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