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
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.
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]