1. Predict the product of the reaction.

2. Give the oxidation state and total valence electron count of the metal center.

Oxidation state +2 and 18 VE

3. What kind of metal centers would stabilize classical dihydride complexes?

Electron rich and more π basic ligands

4. Specify whether the nature of hydrogen moiety in the complex, IrH₅(PCy₃)₂ is acidic or basic?

Basic

5. Between X−ray diffraction and neutron diffraction, which is a better method for the characterization of the M−H moiety?

Neutron diffraction