Chemistry
Identify the gas evolved and give the chemical test in each of the following cases.
Dilute hydrochloric acid reacts with:
(i) Iron [II] sulphide.
(ii) Sodium sulphite.
Hydrogen Chloride
100 Likes
Answer
(i) H2S gas is evolved when dilute hydrochloric acid reacts with Iron [II] sulphide.
FeS + 2HCl ⟶ FeCl2 + H2S
(ii) SO2 is evolved when dilute hydrochloric acid reacts with sodium sulphite.
Na2SO3 + 2HCl ⟶ 2NaCl + H2O + SO2 [g]
Answered By
74 Likes
Related Questions
Write balanced chemical equation for : Action of hydrochloric acid on sodium bicarbonate.
State your observations when dilute hydrochloric acid is added to :
(i) Lead nitrate soln. and the mixture is heated.
(ii) Copper carbonate.
(iii) Sodium thiosulphate.
Fill in the blanks –
Potassium sulphite on reacting with hydrochloric acid, releases …………… gas. [Cl2, SO2, H2S]
Identify the substance underlined – A solid formed by the reaction of two gases, one of which is acidic and the other basic in nature.