CBSE Class 11-science Answered
The ratio of amounts of H2S required to precipitate all the metal ionsfrom 100 ml. 1M AgNO3 and 100 ml 1M CuSO4 will be
Asked by Anil | 16 May, 2017, 10:04: PM
Expert Answer
The reaction of AgNO3 with H2S is:
2AgNO3 + H2S → Ag2S + 2HNO3
1 mole of H2S reacts with 2 moles of AgNO3
So, the ratio of amount of H2S required precipitating all the metal ions from 100 mL 1 M AgNO3 is,
1 H2S : 2AgNO3
The reaction of CuSO4 with H2S can be represented as follows:
CuSO4 + H2S → CuS + H2SO4
Here, 1 mole of H2S reacts with 1 mole of CuSO4
Hence,
The ratio of amount of H2S required precipitating all the metal ions from 100 mL 1 M CuSO4 is,
1H2S : 1CuSO4
Answered by Prachi Sawant | 17 May, 2017, 12:35: PM
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