Chemistry
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
Hydrogen Chloride
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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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