what is Cinnabar ? How Metal is extracted from it? Explain briefly

1.	what is Cinnabar ? How Metal is extracted from it? Explain briefly
Answer» Cinnabar also known as HgS is termed as the mercury ore. Mercury can be obtained from cinnabar by heating the cinnabar ore in a current of air and condensing the mercury vapour formed. Due to its relatively low boiling point mercury can be easily purified by vacuum distillation. The reaction of mercury sulphide with oxygen is shown below: HgS + O2 = Hg + SO2 This process is also called Roasting. However Mercury can be obtained from other reactions too. For ex: HgS + Fe = Hg + FeS 4HgS + 3 CaO = 4Hg + 3CaS + CaSO4

Answer»

Cinnabar also known as HgS is termed as the mercury ore. Mercury can be obtained from cinnabar by heating the cinnabar ore in a current of air and condensing the mercury vapour formed. Due to its relatively low boiling point mercury can be easily purified by vacuum distillation. The reaction of mercury sulphide with oxygen is shown below:

HgS + O2 = Hg + SO2

This process is also called Roasting. However Mercury can be obtained from other reactions too. For ex:

HgS + Fe = Hg + FeS

4HgS + 3 CaO = 4Hg + 3CaS + CaSO4

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