1.

Formula of iron (III) oxide according to stock notation nomenclature method is….

Answer»

`FeO_(2)`
`Fe_(3)O_(4)`
`Fe_(2)O_(3)`
FeO

Solution :`Fe_(2)O_(3)rArr2(X)+3(-2)=0`
`therefore2x=6`
`thereforex =+3`


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