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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.
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उत्तर
When dil. HCl is added to lead nitrate solution and heated, it forms a white precipitate of lead chloride.
\[\ce{Pb(NO3)2 + 2HCl -> PbCl2 + 2HNO3}\]
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संबंधित प्रश्न
Explain why anhydrous HCl is a poor conductor while aqueous HCl is an excellent conductor.
Write an equation for the reaction of hydrochloric acid on caustic soda solution.
Write an equation for the reaction of aqueous hydrochloric acid on lead nitrate solution.
State which component is the oxidizing agent in aqua regia.
Fill in the blank:
On addition of silver nitrate to hydrochloric acid ___________ precipitate is formed which is soluble in ____________
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.
Write balanced equcation for the following reaction:
Manganese (IV) oxide and concentrated hydrochloric acid.
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 |
Give a chemical test to distinguish between the following pair of compounds:
Hydrogen chloride gas and hydrogen sulphide gas
Write observation:
Lead nitrate solution is mixed with dilute hydrochloric acid and heated.
