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  • Name the ore of mercury. With the help of balanced chemical equations, explain the process of extraction of mercury from its ore.       <div style="float:left; width:

Name the ore of mercury. With the help of balanced chemical equations, explain the process of extraction of mercury from its ore.

 

 

 

 
 
 
 
 

Answers (1)

Ore of mercury is Cinnabaring. The extraction of mercury from Cinnabar are is involves in two steps

(I) Concentrated mercury (II) Sulpher ore is roasted in air to form mercuric oxide (HgO)

(II) This HgO formed is then radical to mercury on further heating to about 300^{\circ}C

    2HgS(S) +3O_{2}(g)\rightarrow \underset{(S) }{2HgO}+\underset{(g)}{2SO_{2}}

    2HgO(S)\overset{\Delta }{\rightarrow}2Hg(l)+O_{2}(g)

 

Posted by

Sumit Saini

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