Advertisements
Advertisements
प्रश्न
State your observation when dilute hydrochloric acid is added to a lead nitrate solution and the mixture is heated.
State one relevant observation for the following:
Lead nitrate solution is mixed with dilute hydrochloric acid and heated.
उत्तर
When dil. HCl is added to lead nitrate solution and heated, it forms a white precipitate of lead chloride.
\[\ce{Pb(NO3)2 + 2HCl -> PbCl2 + 2HNO3}\]
APPEARS IN
संबंधित प्रश्न
State one relevant observation for the following
When hydrogen sulfide gas is passed through lead acetate solution.
Explain why anhydrous \[\ce{HCl}\] is a poor conductor while aqueous \[\ce{HCl}\] is an excellent conductor.
Write an equation for the reaction of aqueous hydrochloric acid on lead nitrate solution.
How will the action of dilute hydrochloric acid enable you to distinguish between sodium carbonate and sodium sulphite?
Fill in the blank:
On addition of silver nitrate to hydrochloric acid ___________ precipitate is formed which is soluble in ____________
How will you distinguish between the two black samples, CuO and MnO2 with a chemical test?
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Iron (II) sulphide
State your observation when:
Decomposition of bicarbonates by dil. H2SO4
2NaHCO3 + H2SO4 → Na2SO4 + 2H2O + 2CO2
2KHCO3 + H2SO4 → K2SO4 + 2H2O + 2CO2
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.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
