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Name the main ore of mercury. How is mercury obtained from its ore? |
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Answer» Thanks Yogita Mercury is obtained from its sulphide ore called cinnabar, HgS which is actually mercury(ii) sulphide.The following steps are involved in its extraction:1. mercury ore is roasted2HgS(s) + 3 O2 (g) -----> 2HgO (s ) + 2 SO2 (g)2. when this mercury oxide is heated at about 300 degrees Celsius , it decomposes to form mercury metal.2HgO (s) ------> 2Hg (l) + O2(g) |
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