CBSE Class 12-science Answered
Ferric oxide crystalises as hexagonal close packing array of oxide ion two out of every three one octaheddral holes is occupied by ferric ions.derive the formula of ferric oxide .
Asked by Topperlearning User | 17 Jun, 2016, 10:00: AM
Expert Answer
n oxide ions form close packing, n octahedral void are formed & 2/3 n octahedral voids are occupied so the ratio is 2/3n Fe : n O. So the formula is Fe2O3(multiply by 3 to get whole number formula).
Answered by | 17 Jun, 2016, 12:00: PM
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