Why do fullerenes behave as ligands? double bond d) Electron rich

Why do fullerenes behave as ligands? double bond d) Electron rich Correct Answer [6,6

Fullerenes behave as olefins with strained double bonds in it. The double bond is electron deficient and more reactive than . They are great electron acceptors and hence form metallic bonds with η=2 hapticity. Fullerenes might be ligated to metals in different hapticity, from η1 to η6.
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