User:Kekekandy/Ligand/Leafsfan3 Peer Review

General info
Kekekandy
 * Whose work are you reviewing?

Ligand
 * Link to draft you're reviewing
 * https://en.wikipedia.org/wiki/User:Kekekandy/Ligand/Leafsfan3_Peer_Review?veaction=edit&preload=Template:Dashboard.wikiedu.org_peer_review
 * Link to the current version of the article (if it exists)

Evaluate the drafted changes
"The η-notation applies when multiple atoms are coordinated and if the ligand coordinates through atoms that are not contiguous, then it is considered to be denticity."

- this sentence switches the context, maybe suggest saying dentic coordination.

- I don't think the definition of denticity should be in the definition of hapticity

"A ligand exchange (also called ligand substitution) is a type of chemical reaction in which a ligand in a compound is replaced by another. One type of pathway for substitution is the ligand dependent pathway. In organometallic chemistry, this can take place via associative substitution or by dissociative substitution, which are pure pathways compared to interchange mechanisms such as cross-coupling and olefin metathesis."

- I think there could be links added for olefin and cross coupling.

"Associative substitution is a common method for ligands to saturate an undercoordinated metal complex. This pathway closely resembles the Sn2 mechanism in organic chemistry. A good ligand, typically smaller, can attach to an uncoordinated metal complex to fully saturate the complex, complete the metal's 18-electron count and lose another ligand on the metal complex. Common method for square planar complexes and when the over-coordinated intermediate is stabilized."

- maybe remove good ligand

'Typically smaller ligands can attach to an uncoordinated metal complex to fully saturate the complex to complete the metal's d electron count which forces the loss of another ligand on the metal complex.'

- link Sn1 and Sn2 reaction to the wikipedia pages!

"Many cross-coupling reaction exchange ligands via transmetallation, a process that typically involves the transfer of a ligand from one metal to another."

'Many cross-coupling reaction(s) exchange ligands via transmetallation, a process that typically involves the transfer of a ligand from one metal to another.'

I think a picture of transmetallation would be helpful!

Very well done!