Name the gas evolved when crushed iron filings and sulphur powder are mixed and heated strongly then dilute hydrochloric acid is added to obtained mixture. Answer fast.
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Answer:
Explanation:
When you mix Iron fillings and suphur and strongly heat them, you obtain ferrous Sulphide. FeS
when reacts with HCL,
FeS + HCL --------> FeCl2 + H2S
Hydrogen Sulphide gas is evolved.
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The gas evolved when crushed iron filings and sulphur powder are mixed and heated strongly then dilute hydrochloric acid is added to the obtained mixture is H2S.
- When crushed iron fillings and sulphur powder are mixed then the product will be FeS as per the reaction: Fe + S ------> FeS.
- In the next step, it is heated and dilute HCl is added and the resulting product formed will be H2S and iron chloride (FeCl2) because of FeS + dil.2HCl ------> FeCl2 + H2S.
- Identification of H2S can be done by its specific smell which is a rotten egg smell. H2S is also toxic and it also affects respiration badly.
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