Question

Write equations for the reaction of dil. HCl with each of the following : (i) iron (ii) sodium hydrogen carbonate (iii) iron [II] sulphide (iv) sodium sulphite

August 22, 2024

Answer

(i) Fe + 2HCl ⟶ FeCl₂ + H₂

(ii) NaHCO₃ + HCl ⟶ NaCl + H₂O + CO₂

(iii) FeS + 2HCl ⟶ FeCl₂ + H₂S

(iv) Na₂SO₃ + 2HCl ⟶ 2NaCl + H₂O + SO₂ (g)

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