Q18 of 65 Page 18

Which of the following metals are obtained by electrolysis of their chlorides in molten state?

(i) Na


(ii) Ca


(iii) Fe


(iv) Cu

Sodium and calcium are very reactive metals and are placed towards the top of the reactivity series. These are produced by the electrolysis of their molten chlorides. The metal ions are deposited at negatively charged cathode and chlorine is deposited at positively charged anode.

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