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A mixture of iron and sulphur can be separated by dissolving the mixture in ____...


Question

A mixture of iron and sulphur can be separated by dissolving the mixture in _______

Options

A)
steam
B)
dilute hydrochloric acid
C)
dilute sodium hydroxide
D)
benzene

The correct answer is B.

Explanation:

The mixture === FeS
When dissolved in diluted HCl
FeS + 2HCl \(\rightarrow\) FeCl₂+ H₂S(g)
Both elements are separated making option (B) valid


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Discussion (4)

  • Ajidahun Olajumoke

    Reaction with iron in a solution of copper(ll) tetraoxosulphate (VI)
    Fe(s) +CuSO4(aq) ==FeSo4 +Cu(s)

    Reply
    Like
  • The mixture === FeS
    When dissolved in dil.HCl
    FeS + 2HCl —> FeCl₂+ H₂S(g)

    Both elements are :. Separated making option (B) valid

    1. Adekolurejo Taiwo Rachael

      Really?
      So, which element is now separated?
      Instead, using benzene to dissolve sulpur and filtering or leaving Iron out... By then, we have an element separated.

      The one you said form two compounds respectively, so what's then the separation there?