What is the oxidatuon state of Ni in Ni(CO)4

Dear student

The oxidation state of  Ni is 0
Please refer to the similar link given below:

https://www.meritnation.com/ask-answer/question/in-ni-co-4-the-oxidation-state-of-ni-is-zero-then-why-and/coordination-compounds/1176314

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