Co Ordination Compounds Question 281

Question: Which of the following is a $ \pi - $ acid ligand

[KCET 1996; AIIMS 2003]

Options:

A) $ NH_3 $

B) $ CO $

C) $ {F^{-}} $

D) Ethylene diamine

Show Answer

Answer:

Correct Answer: B

Solution:

CO has strong $ M\to L $

$ \pi - $ bonding ability so it can accept electron pairs from metal ion so it is a $ \pi $ -acid ligand.



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