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Which of the following species can act as reducing agent ?

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a
Co(CO)4−
b
Mn(CO)6
c
Mn⁡(CO)5
d
Cr(CO)6

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detailed solution

Correct option is B

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)

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