Why do silver articles become black on prolonged exposure to air ? – InterviewSolution

InterviewSolution

1.	Why do silver articles become black on prolonged exposure to air ?
Answer» Silver articles react with hydrogen sulphide gas present in air to from black silver sulphide. ` 2Ag + H_(2)S to underset(" Silver sulphide") (Ag_(2)S) +H_(2)`

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