Q53 of 400 Page 192

Explain why, an aqueous solution of sodium chloride is not used for the electrolytic extraction of sodium metal.

An aqueous solution of sodium chloride is not used for the electrolytic extraction of sodium metal because When copper (I) oxide reacts with copper (I) sulphide, it forms copper metal and sulphur dioxide.



More from this chapter

All 400 →
52 Explain giving equation, what happens when:

(a) ZnC03 is heated in the absence of air?


(b) a mixture of Cu2O and Cu2S is heated?

 53 For the reduction of a metal oxide, suggest a reducing agent other than carbon. 54 How are metals refined by the electrolytic process? Describe the electrolytic refining of copper with the help of a neat labelled diagram. 55 Name the chemical compound which is electrolyzed in molten state to obtain aluminium metal. Which gas is evolved during this process ?