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Standard XII
Chemistry
SHE
Question

Copy and complete the following table which refers to two practical applications of electrolysis.
AnodeElectrolyteCathode
Silver plating a spoonSolution of potassium argentocyanide
Purification of copper

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Solution
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Anode Electrolyte Cathode
Silver plating a spoon Pure silver Solution of potassium argentocyanide Spoon
Purification of copper Impure copper Copper sulphate solution and dilute sulphuric acid Pure strip of copper

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Similar Questions
Q1
Copy and complete the following table which refers to two practical applications of electrolysis.
AnodeElectrolyteCathode
Silver plating a spoonSolution of potassium argentocyanide
Purification of copper
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Q2
Copy and complete the following table which refers to two practical applications of electrolysis:
Anode Electrolyte Cathode
Silver plating
a spoon
 Solution of
potassium
argentocyanide
Purification of
copper
View Solution
Q3

(a) Copy and complete the following table which refers to two practical applications of electrolysis

AnodeElectrolyteCathode(i) Silver platingSolution of of a spoonpotassiumargentocyanide(ii) Purification Of copper(iii) Extraction Of sodium

(b) Write equations of reactions taking place at anode for Q.2(a).

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Q4
The following questions refer to the electrolysis of copper sulphate solution with copper electrodes:
(a) Compare the change in mass of the anode.
(b) What is seen to happen to the colour of the copper sulphate solution if platinum electrodes are used? Explain this observation.
(c) What is the practical application of the electrolysis of copper sulphate solution? Briefly, describe one such application.
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Q5
Copy and complete the following table which refers to the conversion of ions to neutral particles.
ConversionIonic EquationOxidation/Reduction
Chloride ion to chlorine molecule(i) ____________(ii) ______________
Lead(II) ion to lead(iii) _____________(iv) ____________
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