Chemistry
Give balanced equations to obtain
(i) H2
(ii) CO2
(iii) SO2
(iv) H2S
from dil. HCl.
Hydrogen Chloride
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Answer
(i) Mg + 2HCl ⟶ MgCl2 + H2
(ii) NaHCO3 + HCl ⟶ NaCl + H2O + CO2 [g]
(iii) Na2SO3 + 2HCl ⟶ 2NaCl + H2O + SO2 [g]
(iv) FeS + 2HCl ⟶ FeCl2 + H2S
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