Chemistry
Identify the gas evolved when :
(i) Potassium sulphite is treated with dilute hydrochloric acid.
(ii) Concentrated hydrochloric acid is made to react with manganese dioxide.
Related Questions
Give balanced equations with conditions, if any, for the following conversions A to D.
A : Sodium Chloride ⟶ Hydrogen Chloride
B : Hydrogen Chloride ⟶ Iron (II) chloride
C : Hydrogen Chloride ⟶ Ammonium chloride
D : Hydrogen Chloride ⟶ Lead chloride.
Give a balanced equation for the reaction : Conc. hydrochloric acid and potassium permanganate solution.
Fill in the blank from the choices in the bracket :
Quicklime is not used to dry HCl gas because …………… [CaO is alkaline, CaO is acidic, CaO is neutral]
State one appropriate observation for :
(i) Copper sulphide is treated with dilute hydrochloric acid.
(ii) A few drops of dil. HCl are added to AgNO3 soln. followed by addition of NH4OH soln.