(i) Fe + 2HCl ⟶ FeCl2 + H2
(ii) NaHCO3 + HCl ⟶ NaCl + H2O + CO2
(iii) FeS + 2HCl ⟶ FeCl2 + H2S
(iv) Na2SO3 + 2HCl ⟶ 2NaCl + H2O + SO2 (g)
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
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