Chemistry
Complete and balance the following reactions, state whether dilute or conc. acid is used.
(a) NH4OH + HCl ⟶
(b) NaHSO3 + HCl ⟶
(c) Pb(NO3)2 + HCl ⟶
(d) Pb3O4 + HCl ⟶
Related Questions
Solution A reacts with an acid B (which gives greenish yellow gas on reacting with oxidising agents like Pb3O4) to give white precipitate C insoluble in nitric acid but soluble in ammonium hydroxide. Name A, B and C.
A solution of hydrogen chloride in water is prepared.
The following substances are added to separate portions of the solution:
S. No. Substances added Gas evolved Odour 1 Calcium carbonate 2 Magnesium ribbon 3 Manganese(IV) oxide with heating 4 Sodium sulphide Complete the table by writing the gas evolved in case and it's odour.
State the composition of aqua regia. State which component is the oxidizing agent in aqua regia.
How will the action of dilute hydrochloric acid enable you to distinguish between the following?
(a) Sodium carbonate and sodium sulphite
(b) Sodium thiosulphate and sodium sulphite.