Verified Solution • 2025–26 Session moderate

QJEEM06Ch4259: JEE Main 2006 Chemistry - Class 12 JEEM06Ch4259 Solution: In Fe(CO) 5 , the Fe – C bond possesses :

In Fe(CO)5, the Fe – C bond possesses :

Multiple Choice Options

  • A π-character only
  • B both σ\sigma and π characters
  • C ionic character
  • D σ\sigma -character

Step-by-Step Verified Solution

Due to some back-bonding by side-wise overlapping of between dd -orbitals of metal and pp -orbital of carbon, the Fe−CFe-C bond in Fe(CO)5Fe{\left( {CO} \right)_5} has both σ\sigma and π\pi character.

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