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Question

Inorganic Chemistry Question on Metal-carbonyl

The number of metal-metal bond(s) in the complex [(5η-Cp)Mo(CO)2]2 is x and in [(5η-Cp)2Fe2(CO)3] is y. The value of x + y is ____.
(Assume 18 electron rule is followed.)
(Answer in integer)

Answer

The correct answer is 5.