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H₂O₂ is manufactured these days by
Options
(a) the action of H₂O₂ on BaO₂
(b) the action of H₂SO₄ on Na₂O₂
(c) electrolysis of 50% H₂SO₄
(d) burning hydrogen in excess of oxygen
Correct Answer:
electrolysis of 50% H₂SO₄
Explanation:
Electrolysis of 50% sulphuric acid is the commercial method for the preparation of hydrogen peroxide.
H₂SO₄ ⇌ H⁺ + HSO₄⁻,
At anode : 2HSO₄⁻ → H₂S₂O₈ + 2e⁻,
H₂S₂O₈ + 2H₂O → 2H₂SO₄ + H₂O₂,
At cathode : 2H + 2e⁻ → H₂
Related Questions: - The strength of H₂O₂ (in g/litre) in 11.2 volume solution of H₂O₂ is
- The method of zone refining of metals is based on the principle of
- The hydrogen ion concentration in mol/dm, in a 0.2 M solution of a weak acid
- Which of the following is a pair of isoelectronic species?
- Which of the following is an emulsion
Topics: Hydrogen and Redox Reactions
(174)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The strength of H₂O₂ (in g/litre) in 11.2 volume solution of H₂O₂ is
- The method of zone refining of metals is based on the principle of
- The hydrogen ion concentration in mol/dm, in a 0.2 M solution of a weak acid
- Which of the following is a pair of isoelectronic species?
- Which of the following is an emulsion
Topics: Hydrogen and Redox Reactions (174)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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