Advertisements
Advertisements
Question
Write a fully balanced of the following case :
Red lead is warmed with concentrated hydrochloric acid.
Advertisements
Solution
\[\ce{\underset{\text{Trilead tetroxide(Red)}}{Pb3O4} + 8HCl -> \underset{\text{Lead chloride}}{3PbCl2(aq)} + 4H2O + Cl2 ^}\]
APPEARS IN
RELATED QUESTIONS
State one relevant observation for given reactions:
Action of dilute Hydrochloric acid on iron (II) sulfide.
State your observations when Dilute Hydrochloric acid is added to Copper carbonate
State the composition of aqua regia. State which component is the oxidizing agent in aqua regia.
What would happen if
Calcium oxide is used to dry hydrogen chloride.
Fill in the blank:
On addition of silver nitrate to hydrochloric acid ___________ precipitate is formed which is soluble in ____________
Write a fully balanced of the following case :
Magnesium metal is treated with dilute hydrochloric acid.
How will you identify?
An amphoteric hydroxide
Match the following:
| Column A | Column B |
| 1. A substance that turns moist starch iodide paper blue. | A. Ammonium sulphate |
| 2. A compound which release a reddish brown gas on reaction with concentrated sulphuric acid and copper turnings. | B. Lead carbonate |
| 3. A solution of this compound gives dirty green precipitate with sodium hydroxide. | C. Chlorine |
| 4. A compound which on heating with sodium hydroxide produces a gas which forms dense white fumes with hydrogen chloride. | D. Copper nitrate |
| 5. A white solid which gives a yellow residue on heating | E. Ferrous sulphate |
Write observation:
A small piece of zinc is added to dilute hydrochloric acid.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
