JEE Main 20265 Apr, Morning shiftChemistryHardCoordination Compounds198× since 2002
The correct statements about metal carbonyls are A. The metal-carbon bonds in metal carbonyls possess both and -character. B. Due to synergic bonding interactions between metal and CO ligand, the metal-carbon bond becomes weak. C. The metal-carbon bond is formed by the donation of lone pair of electrons on the carbonyl carbon into a vacant orbital of metal. D. The metal-carbon bond is formed by the donation of electrons from filled d-orbital of metal into vacant orbital of CO. Choose the correct answer from the options given below: