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Question
The oxidation state of Fe in [Fe(CO)5] is ______.
Options
+2
0
+3
+5
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Solution
The oxidation state of Fe in [Fe(CO)5] is 0.
Explanation:
The oxidation state of the carbonyl group (CO) is zero.
Let, the oxidation state of Fe be ‘x’
`\implies` x + 5(0) = 0
`\implies` x + 0 = 0
`\implies` x = 0
Thus, the oxidation state of Fe in [Fe(CO)5] is 0.
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