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प्रश्न
Write balanced equcation for the following reaction:
Manganese (IV) oxide and concentrated hydrochloric acid.
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उत्तर
\[\ce{\underset{\text{Manganese dioxide}}{MnO2} + 4HCl -> \underset{\text{Manganese chloride}}{MnCl2(aq)} + 2H2O + Cl2}\]
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संबंधित प्रश्न
State your observation When moist starch iodide paper is introduced into chlorine gas.
Dry hydrogen chloride gas can be collected by ________ displacement of air. (downward / upward)
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Explain why dilute hydrochloric acid cannot be concentrated by boiling beyond 22.2%.
Give reason for the following:
An aqueous solution of chlorine in acidic in nature
Hint : Cl2 + H2O ⟶ HCl +HClO
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 |
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.
