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Solution


Q.

Iron carbonyl, Fe(CO)5 is           [2018]
1 tetranuclear  
2 mononuclear  
3 trinuclear  
4 dinuclear  

Ans.

(2)

Based on the number of metal atoms present in a complex, they are classified as:

e.g., Fe(CO)5 : mononuclear; Co2(CO)8 : dinuclear; Fe3(CO)12 : trinuclear