Question

Sudhakar wants to deposit a layer of
silver metal on a steel spoon. Match
the following according to the above
statement
Column B
Column A
(i) Silver
[A] Cathode
[B]
Electroplating
(ii) Steel
(iii) Silver cyanide
solution
[C] Anode
(iv) Process
[D] Electrolyte
Select one:
(i-C), (ii-D), (ii-B), (IV-A)
(i-C), (ii-A), (iii-D), (iv-B)
O -D
(i-A), (ii-C), (iii-D), (iv-B)
(i-A), (ii-B), (iii-C), (iv-D)​

Answer 1

Explanation:

Silver plating on Steel spoon: A silver rod is made as anode and steel spoon as cathode. Potassiumargentocyanide (K[Ag(CN)

2

]) is used as electrolyte.

AgNO

3

is not used as electrolyte because in that case the silver coating will be non-uniform as the electrolysis takes place rapidly.

In electroplating of copper by silver, silver rod is taken as anode

Answer 2

I am sorry

I am not understanding

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