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What is the formula of hematite?(a) Fe3O4(b) FeSO4.7H2O(c) Fe2O3(d) FeCl3The question was asked by my school principal while I was bunking the class.The query is from D and F-Block Elements topic in chapter D and F-Block Elements of Chemistry – Class 12

Answer»

Right choice is (c) Fe2O3

Best EXPLANATION: Ferric oxide(Fe2O3) occurs in nature as haematite. It is a red powder, INSOLUBLE in H2O and not acted upon by air or H2O. It is AMPHOTERIC in nature and reacts with acids and alkalis and used as a catalyst in the oxidation of CO to CO2 in the Bosch PROCESS.



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