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A metal obtained directly by roasting of...

A metal obtained directly by roasting of its sulphide ore is

A

Cu

B

Pb

C

Hg

D

Zn

Text Solution

Verified by Experts

The correct Answer is:
C
When conc. HgS ore is roasted
`HgS + O_2 overset(773-873 K)rarr Hg + SO_2`
At this temperature, mercury vaporises and the vapours are condensed to the liquid metal. Mercury so obtained is about 99.7% pure.
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