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Question

Oxidation number of iron in Fe0.94O is :

A
2×0.94
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B
20094
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C
94200
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D
0.94
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Solution

The correct option is B 20094
Let x be the oxidation number of iron in Fe0.94O.
The oxidation number of oxygen is 2.
The sum of all the oxidation numbers is 0 as the compound is neutral.
Hence, 0.94x+1(2)=0 or, x=20094
Hence, 20094 is the oxidation state of iron.

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