Question

Which of the following is $\pi$ complex?

• A. Trimethyl aluminium
• B. Ferrocene
• C. Diethyl zinc
• D. Nickel carbonyl

Answer 1

Answer: (B)

$\pi -$Bonded organometallic compound.
Zeise’s salt $K[PtC{l}_3({\eta }^{2-}{C}_2{H}_4)]$
Ferrocene $[Fe({\eta }^5-C_5{H}_5{)}_2]$
Dibenzene chromium $[Cr({\eta }^2-C_6{H}_6{)}_2]$