Question

which components of the mixture(iron and sulphur)reacts with dil Hcl and gives Hydrogen gas

Answer 1

Your Answer:

Iron reacts with dilute HCl and gives Hydrogen gas because it is placed higher in reactivity series of metals than hydrogen.

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Answer 2

Explanation:

a mixture of Iron and sulphur react with hydrochloric acid to form iron chloride and also hydrogen sulphide . accordingly, the chemical reaction will be expressed as FeS+ HCl giving a resultof  FeCl2 + H2S. the resultant hydrogen sulphide gas is foul smelling, it smells of rotten eggs and you can easily identify the sulphur component of the mixture with diluted HCL reaction to form hydrogen sulphide.