Question

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.

Answer 1

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.

Hope this helps ☺️

Answer 2

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.