Advertisements
Advertisements
प्रश्न
Identify the anion present of the following compound:
When barium chloride solution is added to salt solution E a white precipitate insoluble in dilute hydrochloric acid is obtained
उत्तर
Sulphate (SO42-)
APPEARS IN
संबंधित प्रश्न
Dry hydrogen chloride gas can be collected by ________ displacement of air. (downward / upward)
Explain why anhydrous \[\ce{HCl}\] is a poor conductor while aqueous \[\ce{HCl}\] is an excellent conductor.
Write an equation for the reaction of hydrochloric acid on zinc carbonate.
Name the following:
Gas obtained by treating ferrous sulphide with hydrochloric acid.
Name the following:
Five oxidizing agents that liberated chlorine from concentrated hydrochloric acid.
How will you distinguish between the two black samples, CuO and MnO2 with a chemical test?
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 |
State your observation when:
Decomposition of bicarbonates by dil. H2SO4
2NaHCO3 + H2SO4 → Na2SO4 + 2H2O + 2CO2
2KHCO3 + H2SO4 → K2SO4 + 2H2O + 2CO2
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
Write an equation for the reaction of hydrochloric acid on manganese (IV) oxide.
