Explain the extraction of sodium METAL & Mercury metal. plzzzzzzz with points correctly I will mark as brainlist.
Answers
sodium through electrolysis, and mercury through excess heating and reducing agent
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EXTRACTION OF SODIUM METAL
sodium metal is extracted by electrolytic reduction of molten sodium chloride. ( because sodium always exist in chloride form ) when electric current is passed through molten sodium chloride it decompose to form sodium metal and chlorine gas.
EQUATION AS FOLLOWS
sodium chloride -------> sodium metal + chlorine gas
EXTRACTION OF MERCURY
Mercury is less reactive metal. And it is produced from cinnabar.
in MERCURY EXTRACTION
First mercury sulphide ( mercury exist in sulphide form ) is roasted in air to form mercury oxide
EQUATION AS FOLLOWS
Mercury sulphide + oxygen ---------> mercury oxide + sulphur dioxide
Second mercury oxide formed is heated to form mercury and oxygen
EQUATION AS FOLLOWS
mercury oxide -----------> mercury + oxygen
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