The reason of colour changing of silver anklet after few day is: * 1 point formation of silver sulphide. formation of silver nitrate.
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Answered by
1
Hence:-
Silver article turns black when kept in the air because silver article reacts with sulphur compounds such as hydrogen sulphide (H
2
S) present in air.
Ag+H
2
S→Ag
2
S+H
2
The phenomenon is called corrosion. For silver particularly, it is called tarnishing of silver.
Silver sulphide (Ag
2
S) is the black substance formed
Answered by
1
The reason for colour changing of the silver anklet after few days is due to the formation of silver sulphide.
CORROSION -
- The blackening of silver in the air is due to the phenomenon known as corrosion.
- The process is also known as the tarnishing of silver.
- The silver reacts with the hydrogen sulphide present in the atmosphere to form silver sulphide.
- The silver sulphide is a black-colored layer formed on the white lustrous layer of the silver.
- The reaction can be given as -
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