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- IIT JAM
- Chemistry (CY)
Which statement is incorrect about co ligands? a) a co ligand can accept electrons into its r mo; this weakens the c-o bond b) the ir spectrum of fe(co)5, absor
Which statement is incorrect about CO ligands? A) A CO ligand can accept electrons into its r MO; this weakens the C-O bond B) The IR spectrum of Fe(CO)5, absorptions assigned to the CO stretching modes are wavenumber than that of free CO. C) CO ligands can adopt terminal, u and ju3 bonding modes, the amount of back donation dene. on the bonding mode. D) Fluxional behaviour is common in metal carbonyl compounds, and can be investigated hu 13, NMR spectroscopy C) 6.5 are at higher pends
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Priyanshu kumar
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Hope this will helps 😊🙏
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Priyanshu kumar Best Answer
Option B is incorrect
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First statement is correct about CO ligands
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third statement and 4th statement are also correct
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Fe(CO)5 is characterized by two intense νCO bands in the IR spectrum at 2034 and 2014 cm−1 ...And free CO has IR absorption band at 2143 cm^-1
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Means it has lower wavenumber than free CO ligands
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thank you sir
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welcome😊
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Suman Kumar
option B will be the answer
stretching frequency is lower for complex due to back donation