Chemistry
State the composition of aqua regia. State which component is the oxidizing agent in aqua regia.
Related Questions
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.
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 ⟶
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.
MnO2, PbO2 and red lead react with conc. HCl acid liberates Cl2.
What is the common property being shown by these metal oxides?