Question 5(a)Copy and complete the following table which refers to two practical applications of electrolysis. AnodeElectrolyteCathode(i) Silver plating of a spoon Solution of potassium argentocyanide (ii) Purification of copper (iii) Extraction of copper

Question

Question 5(a)Copy and complete the following table which refers to two practical applications of electrolysis.  AnodeElectrolyteCathode(i) Silver plating of a spoon  Solution of potassium argentocyanide  (ii) Purification of copper      (iii) Extraction of copper

Accepted Answer

AnodeElectrolyteCathode(i) Silver plating of a spoonblock of pure silverSolution of potassium argentocyanidespoon to be electroplated(ii) Purification of copperImpure block of copperA solution of copper sulphate and dil. sulphuric acid.Thin strip of pure copper(iii) Extraction of sodiumGraphitefused sodium chlorideIron

	Anode	Electrolyte	Cathode
(i) Silver plating of a spoon	*block of pure silver*	Solution of potassium argentocyanide	*spoon to be electroplated*
(ii) Purification of copper	*Impure block of copper*	*A solution of copper sulphate and dil. sulphuric acid.*	*Thin strip of pure copper*
(iii) Extraction of sodium	*Graphite*	*fused sodium chloride*	*Iron*

Electrolysis — Question 5

Question 5(a)