Like the alkali metals, cobaltocene is a strong reducing agent, and decamethylcobaltocene is stronger still due to the combined inductive effect of the ten methyl groups.
lˈaɪk ðɪ ˈælkəlˌaɪ mˈɛɾəlz, kˈoʊbɐltˌoʊsiːn ɪz ɐ stɹˈɔŋ ɹᵻdˈuːsɪŋ ˈeɪdʒənt, ænd dᵻkˈæmɪθəlkˌɑːbɐltˌoʊsiːn ɪz stɹˈɔŋɡɚ stˈɪl dˈuː tə ðə kəmbˈaɪnd ɪndˈʌktɪv ɪfˈɛkt ʌvðə tˈɛn mˈɛθəl ɡɹˈuːps.