Question

Find the number of ligands which are non-classical ligand and $\pi$ donor as well as $\pi$ acceptor ligand.

[ CO, PH${}_3$, PF${}_3$, C${}_3$H${}_5^{\Theta }$, C${}_5$H${}_5^{\Theta }$ ]

• A. 2
• B. 1
• C. 4
• D. 3

Answer 1

The correct option is A 2

C${}_3$H${}_5^{\Theta }$ and C${}_5$H${}_5^{\Theta }$ are non-classical ligand and donor as well as acceptor ligand.