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FeCl2 and FeCl3 are two compounds of iro...

`FeCl_2` and `FeCl_3` are two compounds of iron
a) Findout the oxidation state of iron in `FeCl_2` and `FeCl_3`.
b) Why does iron shows different oxidation state?

Text Solution

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`a. FeCl_2 - +2`
`FeCl3 - +3`
b. The difference in energy between the outer most s subshell and the penultimate s subshell is very small. Hence under suitable conditions the eectrons in d subshell also take part in chemical reactions.
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