HARD
Earn 100

Explain gold plating with the help of neat labelled diagram?

Important Questions on Electrolysis and Chemical Reaction

HARD
What is placed as a cathode to electroplate silver over a copper spoon?
MEDIUM
Which is the anode in the electroplating of silver on a brass spoon?
EASY
In electroplating gold on brass, what is the electrolyte used?
MEDIUM
Name a metal that is extracted by the process of electrolysis.
EASY
List the conditions to kept in mind while doing gold plating.
EASY
Which of the following metals are extracted by the electrolysis of their molten chlorides?
MEDIUM
Suggest a list of metals that are extracted electrolytically. 
HARD
Explain the electrolytic process of molten sodium chloride.
EASY
The electrolyte used while electroplating of an article with silver is:
EASY
_____ method do we use for the purification of metals like Na,K,Ca.
MEDIUM
Name the electrolyte taken to perform silver plating.
EASY
The two metals which are extracted by means of electrolytic reduction of their molten salts are
MEDIUM
The electrolytes commonly used in the electroplating of silver and gold are:
EASY

Divide the metals Cu, Zn, Ca, Mg, Fe, Na, Li into three groups, namely reactive metals, moderately reactive metals and less reactive metals.


EASY
_____ method do we use for the purification of metals like Na,K,Ca.
EASY
Which method do we use for the purification of metals like Na,K,Ca?
EASY
The electrolyte commonly used in the electroplating of gold is Sodium argentocyanide:
MEDIUM
List the conditions to kept in mind while doing silver plating.
MEDIUM
Write down the two reactions occurring at cathode and anode during electrolysis of fused CaCl2.