Question

Why do silver ornaments lose their shine when kept for some time. Name the product formed?

Answer 1

The water vapour in the atmosphere reacts with sulphur from sulphur dioxide which forms hydrogen sulphide. This hydrogen sulphide reacts with silver to form blackish coloured silver sulphide.

So, the silver ornaments lose their shine due to black coloured silver sulphide.

Answer 2

Answer:

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Silver ornaments lose their shine when kept for some time since they undergo corrosion over a period of time. Silver reacts with Sulphur when kept in the open and a black coating of silver sulphide is developed on the silver ornaments, which gives the effect of the silver losing its shine.