Question

In $Fe(CO)_5$ > the Fe?? bond possesses :

• A. $\pi$-character only
• B. both $\sigma$ and $\pi$ characters
• C. ionic character
• D. $\sigma$-character only

Answer 1

Answer: (B)

both $\sigma$ and $\pi$ characters

Answer 2

Metal carbonyl organometallic compounds possess both $\sigma$ and $\pi$ characters.