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प्रश्न
State your observation When moist starch iodide paper is introduced into chlorine gas.
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उत्तर
When moist starch iodide paper is introduced into chlorine gas, chlorine oxidizes iodide to iodine, which shows up as blue when complexed with starch.
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संबंधित प्रश्न
Write an equation for the reaction of aqueous hydrochloric acid on lead nitrate solution.
MnO2, PbO2 and red lead react with conc. HCl acid to liberate Cl2.
What is the common property being shown by these metal oxides?
Name the following:
Five oxidizing agents that liberated chlorine from concentrated hydrochloric acid.
State the use of aqua-regia.
Write balanced equation for the following reaction:
Copper oxide and dilute 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 |
Write observation:
Lead nitrate solution is mixed with dilute hydrochloric acid and heated.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D, and E.
