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Give a method for the manufacture of hydrogen peroxide and explain the reactions involved therein. - Chemistry

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प्रश्न

Give a method for the manufacture of hydrogen peroxide and explain the reactions involved therein.

दीर्घउत्तर
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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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Preparation of Hydrogen Peroxide
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 9: Hydrogen - Multiple Choice Questions (Type - I) [पृष्ठ १२२]

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एनसीईआरटी एक्झांप्लर Chemistry [English] Class 11
पाठ 9 Hydrogen
Multiple Choice Questions (Type - I) | Q 72.(i) | पृष्ठ १२२

संबंधित प्रश्‍न

A commercial sample of hydrogen peroxide marked as 100 volume H2O2, it means that


Volume strength of 1.5 N H2O2 is


Mention the uses of deuterium.


Explain the preparation of hydrogen using electrolysis.


Why does \[\ce{H+}\] ion always get associated with other atoms or molecules?


Hydrogen peroxide is ______.


Hydrogen peroxide is obtained by the electrolysis of ______.


Which of the following statement(s) is/are correct in the case of heavy water?

(i) Heavy water is used as a moderator in nuclear reactor.

(ii) Heavy water is more effective as solvent than ordinary water.

(iii) Heavy water is more associated than ordinary water.

(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.


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. Explain why such precautions are taken for storing this chemical.


What is the importance of heavy water?


Hydrogen peroxide is obtained by the electrolysis of ______. 


Which of the following will happen when a little hydrogen peroxide is added to a solution of ferrous sulphate? 


The volume of '10 Vol' of H2O2 required to liberate 500 mL O2 at NTP is ______.


The strength of the 11.2 volume solution of H2O2 is ______.

[Given that molar mass of H = 1 g mol−1 and O = 16 g mol−1)


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