Back bonding is involved in which of the organometallic compounds

1.	Back bonding is involved in which of the organometallic compounds
A.	\[{{\left[ {{(C{{H}_{3}})}_{3}}Al \right]}_{2}}\]
B.	\[M{{g}^{2+}}{{\left( {{C}_{5}}H_{5}^{-} \right)}_{2}}\]
C.	\[R-Mg-X\]
D.	\[\left[ {{({{C}_{5}}{{H}_{5}})}_{2}}Fe \right]\]
Answer» D. \[\left[ {{({{C}_{5}}{{H}_{5}})}_{2}}Fe \right]\]

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Back bonding is involved in which of the organometallic compounds

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