Question

Ferrocene is thermally stable and not air sensitive but cobaltocene is readily

oxidized to cobaltocenium ion. Why ?​

Answer 1

Answer:

Ferrocene has effective atomic number (EAN) of 36, which is considered to stabilize metallocenes. On other hand cobaltocene has EAN = 37. In order to stabilize, cobaltocene loses electron

and attain EAN = 36. This tendency to lose electron makes cobaltocene a reducing agent.

this justifies the fact that ferrocene is thermally stable and not oxidised but cobaltocene readily gets oxidised.

Explanation:

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