The chemical formula of two different chlorides of iron (Fe) are given.
(i) Ferrous chloride - FeCl₂
(ii) Ferric chloride - FeCl3
Atomic number of Fe is 26 and oxidation state of chlorine is -1.
(a) Find the oxidation states of Fe in these compounds.
(b) In which subshell the last electron of iron atom is filled ?
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Answer:
iron dichlorid and ferrous chloride
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Explanation:
a) The oxidation number of Fe in FeCl2 and FeCl3 are + 2 and + 3 respectively. b) The last electron of Fe is filled in 3d subshell. Note: oxidation number of Fe = -( total oxidation number of chlorine) . The total oxidation numbers of Cl in FeCl2 and FeCl3 are - 2 and - 3 respectively.
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