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प्रश्न
Explain the term oxidation in term of addition and removal of oxygen/hydrogen with a suitable example.
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उत्तर
Addition of oxygen or removal of hydrogen is called oxidation.
\[\ce{Carbon + Oxygen->Carbon dioxide}\]
\[\ce{C + O2->CO2}\]
Here carbon is oxidised to \[\ce{CO2}\]
\[\ce{H2S + Cl2->2HCl + S}\]
Here `"H"_2"S"` is oxidised to sulphur as removal of `"H"_2` takes place.
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संबंधित प्रश्न
When a magnesium ribbon is heated, it burns in air to form magnesium oxide. Write a balanced chemical equation for this reaction. Name (i) substance oxidised, and (ii) substance reduced.
Define reduction.
MULTIPLE CHOICE QUESTIONS
The process of adding oxygen to a substance is called
- oxidation.
- reduction.
- displacement.
- hydrogenation.
Identify from the reaction the reactants that undergo oxidation and reduction.
Fe + S → FeS
Explain the following in term of gain or loss of oxygen with two examples.
Reduction
Why this reaction is considered a reversible reaction?
State what is reducing agent. Give an example of oxidising agent in the gaseous, liquid, and solid form.
Explain the following reaction with their balanced chemical equation.
Hydrogen sulphide reacts with sulphur dioxide.
Identify the oxidising agent (oxidant) in the following reactions
`"V"_2"O"_5 + 5"Ca" -> 2"V" + 5"CaO"`
The oxidizing agent in the equation \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\] is ______.
