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प्रश्न
State one relevant observation for given reactions:
Action of dilute Hydrochloric acid on iron (II) sulfide.
उत्तर
Dilute hydrochloric acid decomposes iron(II) sulfide to produce iron(II) chloride and hydrogen sulfide having rotten egg smell.
FeS + 2HCl → FeCl2 + H2S
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संबंधित प्रश्न
For the preparation of hydrochloric acid in the laboratory:
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A solution of hydrogen chloride in water is prepared. The following substances are added to separate portions of the solution:
| S. No. | Substances added | Gas evolved | Odour |
| 1. | Calcium carbonate | _________ | _________ |
| 2. | Magnesium ribbon | _________ | _________ |
| 3. | Manganese (IV) oxide with heating | _________ | _________ |
| 4. | Sodium sulphide | _________ | _________ |
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