Which of the following ligands can act as a -acid ligand?

CHEMISTRY · Single correct · CBSE · Chemistry · Chemical Bonding and Molecular Structure · Chemical Bonding and Molecular Structure

Problem

Which of the following ligands can act as a

\pi

-acid ligand? (1)

\sigma

-cyclopentadienyl (2)

\pi

-allyl (3)

\text{B}_3\text{N}_3\text{H}_6

(4)

\pi

-cyclopentadienyl