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Question

Which of the following metals form complex in zero oxidation state?

A
Cu
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B
Ni
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C
Mn
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D
V
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Solution

The correct option is A Ni
(B) Ni
Because in zero oxidation stalt it forms metal
carbonyles and carbonyly is Pi acid ligand. and
out of four options Ni form carbonyls as Ni(CO)4

1113953_1141270_ans_4ca7622ebb594460bac5f9cf55bd76b2.jpg

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