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प्रश्न
Give a method for the manufacture of hydrogen peroxide and explain the reactions involved therein.
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उत्तर
Industrial preparation: \[\ce{H2O2}\] is prepared by the auto-oxidation of 2- alkylanthraquinols
2-ethylanthraquinol ↔ \[\ce{H2O2+}\] oxidised product
\[\ce{2Fe^{2+} (aq) + 2H+ (aq) + H2O2 -> Fe3 (aq) + 2H2O (l)}\]
\[\ce{PbS (s) + 4H2O2 (l) -> PbSO4 (s) + 4H2O (l)}\]
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संबंधित प्रश्न
Mention the uses of deuterium.
Explain the preparation of hydrogen using electrolysis.
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(iv) Heavy water has lower boiling point than ordinary water.
Rohan heard that instructions were given to the laboratory attendent to store a particular chemical i.e., keep it in the darkroom, add some urea in it, and keep it away from dust. This chemical acts as an oxidising as well as a reducing agent in both acidic and alkaline media. This chemical is important for use in the pollution control treatment of domestic and industrial effluents. Write the name of this compound.
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What mass of hydrogen peroxide will be present in 2 litres of a 5 molar solution? Calculate the mass of oxygen which will be liberated by the decomposition of 200 mL of this solution.
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