ICSE Class 10 Answered
What is the anion present in the substance which when reacted with concentrated sulphuric acid gives a colourless gas which decolourises KMNO4 solution?
Asked by marc21coc | 03 Feb, 2019, 12:06: PM
Expert Answer
| Test | observation | Inference |
|
Concentrated sulphuric acid + salt
|
Colourless gas evolved which
decolorises KMnO4
|
The gas evolved is H2S.
Ans anion present is S2-
|
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