Question

why shoud the metal sulphides and carbonates be converted to metal oxides in the process of extraction of metal from them?

Answer 1

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ANSWER ⤵

generally metal sulphides and carbonates show covalent character ,

so they, cannot be reduced easily but the oxides show ionic character ,

hence,

they can be reduced easily by using stable reducing agent.

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Answer 2

Metal supplies and carbonates are first converted into metal oxides because it is easier to reduce oxides than supposed and carbonates. Surprise and carbonate are formed by elements found in Middle of reactivity series

Ex. Iron, zinc