Co-Ordination Compounds Question 104
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.