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प्रश्न
MnO2, PbO2 and red lead react with conc. HCl acid to liberate Cl2.
What is the common property being shown by these metal oxides?
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उत्तर
MnO2, red lead(Pb3O4), and PbO2 are all powerful oxidizing agents that exhibit a reducing property when reacting with conc. HCl is used to liberate Cl2 (gas), and oxidizing chemicals oxidize the conc. HCl converts to chlorine.
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संबंधित प्रश्न
The acid on mixing with silver nitrate solution produces a white precipitate which is soluble in excess ammonium hydroxide
Write an equation for the reaction of hydrochloric acid on the silver nitrate solution.
Give reason for the following:
An aqueous solution of chlorine in acidic in nature
Hint : Cl2 + H2O ⟶ HCl +HClO
State which component is the oxidizing agent in aqua regia.
Write balanced equcation for the following reaction:
Manganese (IV) oxide and concentrated hydrochloric acid.
Write observation:
Lead nitrate solution is mixed with dilute hydrochloric acid and heated.
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.
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.
