D-Metal organometallic chemistry - Electron counting and oxidation states

5 important questions on D-Metal organometallic chemistry - Electron counting and oxidation states

What are L-type ligands, provide examples

Neutral, two electron donors like CO and PMe3

What are X-type ligands, provide examples

When considered to be neutral, one electron radical donor like H, halogens, CH3

What is the oxidation number of a complex?

Total charge of the complex minus the charge of any ligands
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What is the total electron count?

The sum of the number of electrons on the metal atom and the number of electrons provided by the ligands

How  do you determine if a complex is diamagnetic or paramagnetic?

Determine the d-electrons --> ground state - ox state

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