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

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Solution

The completed table referring to two practical application of electrolysis is as follows:

Anode Electrolyte Cathode

Silver plating a spoon Pure silver Solution of potassium silver cyanide Spoon

Purification of copper Impure block of copper Copper sulphate solution Pure strip of copper

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

$\begin{matrix} A n o d e & E l e c t r o l y t e & C a t h o d e (i) S i l v e r p l a t i n g & S o l u t i o n o f o f a s p o o n & p o t a s s i u m a r g e n t o c y a n i d e (i i) P u r i f i c a t i o n O f c o p p e r (i i i) E x t r a c t i o n O f s o d i u m \end{matrix}$

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

Q. Copy and complete the following table which refers to two practical applications of electrolysis.

	Anode	Electrolyte	Cathode
Silver plating of a spoon Purification of copper		Solution of potassium argentocyanide

The following questions refer to the electrolysis of CuSO₄ solution with copper electrodes.
(i) What is the change in the mass of cathode and anode?
(ii) What will happen to the colour of the electrolyte if platinum electrodes are used? Explain.
(iii) Briefly, describe one practical application of electrolysis of CuSO₄ solution.

Q. During silver plating of an article using potassium argentocyanide as an electrolyte, the anode material should be :

Q. During the electrolysis of copper [II] sulphate solution using platinum as cathode & carbon as anode. State the change noticed in the electrolyte.

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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

The completed table referring to two practical application of electrolysis is as follows: Anode Electrolyte Cathode Silver plating a spoon Pure silver Solution of potassium silver cyanide Spoon Purification of copper Impure block of copper Copper sulphate solution Pure strip of copper

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

The completed table referring to two practical application of electrolysis is as follows:

Anode Electrolyte Cathode

Silver plating a spoon Pure silver Solution of potassium silver cyanide Spoon

Purification of copper Impure block of copper Copper sulphate solution Pure strip of copper