Which of the following species can act as reducing agent ?
Co(CO)4−
Mn(CO)6
Mn(CO)5
Cr(CO)6
Mn(CO)6 can act as reducing agent because the metal corbonyl is stable when EAN is equal to nearest noble gas configuration.Mn(CO)6[ Less stable ) EAN =37⟶−e−Mn(CO)6 EAN =36 (More stable)