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
Write an equation for the reaction of hydrochloric acid on caustic soda solution.
Write an equation for the reaction of hydrochloric acid on copper oxide.
Explain why dilute hydrochloric acid cannot be concentrated by boiling beyond 22.2%.
How will the action of dilute hydrochloric acid enable you to distinguish between sodium carbonate and sodium sulphite?
Give three distinct test [apart from using an indicator] you would carry out with solution of HCl to illustrate the typical properties of an acid.
State which component is the oxidizing agent in aqua regia.
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 each case and its odour.
What is the property of concentrated sulphuric acid (H2SO4) which allows it to be used in the preparation of hydrogen chloride (HCl) and nitric acid (HNO3)?
Give a chemical test to distinguish between the following pair of compounds:
Sodium chloride solution and sodium nitrate solution.
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Magnesium sulphite
