Which of the following organometallic compound is $\sigma \,\,{\rm{and}}\,\,\pi $ bonded?

$\left[ {{\rm{Fe}}{{\left( {{{\rm{\eta }}^5} - {{\rm{C}}_5}{{\rm{H}}_5}} \right)}_2}} \right]$

${\rm{Fe}}{\left( {{\rm{C}}{{\rm{H}}_3}} \right)_3}$

${\left[ {{\rm{Co}}{{\left( {{\rm{CO}}} \right)}_5}{\rm{N}}{{\rm{H}}_3}} \right]^{2 + }}$

${\rm{K}}\left[ {{\rm{PtC}}{{\rm{l}}_3}\left( {{{\rm{\eta }}^2} - {{\rm{C}}_2}{{\rm{H}}_4}} \right)} \right]$

NEET UG CHEMISTRY MCQ: CO-ORDINATION COMPOUNDS

1 Easy

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Understanding +4 | -1

Which of the following organometallic compound is

\sigma \,\,\mathrm{and}\,\,\pi

bonded?

View answer and explanation

Correct option: C

\left[ {\mathrm{Fe}{{\left( {{\mathrm{\eta }^5} - {\mathrm{C}_5}{\mathrm{H}_5}} \right)}_2}} \right]

Option C (

\left[ {\mathrm{Fe}{{\left( {{\mathrm{\eta }^5} - {\mathrm{C}_5}{\mathrm{H}_5}} \right)}_2}} \right]

) is correct because Ferrocene has both sigma and pi bonding between Fe and the cyclopentadienyl rings.