. Which of the following compound is responsible for tarnishing of silver?
1. Ag2O
2. Ag2CO3
3. Ag2S
4. AgCN
Best Answer
Ans: 3
Sol: Silver reacts with hydrogen sulphide to develop a layer of black silver sulphide (Ag2S).
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1. Ag2O
2. Ag2CO3
3. Ag2S
4. AgCN
Ans: 3
Sol: Silver reacts with hydrogen sulphide to develop a layer of black silver sulphide (Ag2S).