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Calculate EAN (Effective Atomic Number) of Fe in this complex salt. |
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Answer» Effective atomic number (EAN):- The difference between atomic number of metal and oxidation number plus 2x co-ordination number is called effective atomic number. Effective atomic number = At. No. - O.N +2 + C.N. According to sidwick in case it happens when the co-ordination complex is expected to quite stable. In some cases EAN coincides with the atomic number of the nearest noble gas element K3[Fe(CN)6], oxidation state = +3, Atomic number = 26, Co-ordination number = 6. EAN = (26 - 3) + (2 x 6) = 35. |
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