I don't understand the part in the second paragraph in the image where it talks about odd and even values and anionic and neutral carbon ligands? Depending on if it is an even or odd value, how exactly do they become anionic or neutral ligands?
I don't understand the part in the second paragraph in the image where it talks about odd and even values and anionic and neutral carbon ligands? Depending on if it is an even or odd value, how exactly do they become anionic or neutral ligands?
It's just saying that if the delocalised orbital is spread over an odd number of carbon atoms, which is often the case for structures that carry a negative charge ...
Whereas structures that have a the delocalisation spread over an even number of carbon centres are usually neutral.