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प्रश्न
Explain the term redox reaction with an example involving the reaction of hydrogen sulphide with chlorine.
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उत्तर
Redox Reaction: “The reaction in which oxidation and reduction take place simultaneously is called Redox Reaction.”
Removal of hydrogen is oxidation. Here `"H"_2"S"` is oxidised to sulphur whereas the addition of hydrogen is reduction.
Here chlorine is being reduced to hydrogen chloride.
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संबंधित प्रश्न
Fill in the following blanks with suitable words:
The addition of hydrogen to a substance is called ........ whereas removal of hydrogen is called .......
Explain reduction in terms of gain or loss of oxygen with one example.
In the reaction represented by the following equation:
CuO (s) + H2 (g) → Cu (s) + H2O (1)
(a) name the substance oxidised
(b) name the substance reduced
(c) name the oxidising agent
(d) name the reducing agent
Define redox reaction.
Divide the following reactions into oxidation and reduction half-reaction:
Zn + Pb2+→ Pb + Zn 2+
Divide the following reactions into oxidation and reduction half-reaction:
Zn + Cu2+ → Cu + Zn 2+
Oxidising agents are also called as ______ because they remove electrons form other substances.
Write a short note on oxidizing and reducing agents.
Identify the following reactions as oxidation/reduction/redox reaction
CuO+H2 → Cu+H2O
Define oxidation number.
