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प्रश्न
State what is oxidising agent. Give an example of oxidising agent in the gaseous, liquid, and solid form.
उत्तर
“The substance which gets reduced is the Oxidising agent″
Oxidising Agent:
| Solid | Liquid | gaseous |
| \[\ce{Cu^2+,Zn^2+,MnO2}\] | \[\ce{HCl,H2O2}\] | \[\ce{SO2,Cl2,O2}\] |
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संबंधित प्रश्न
When a magnesium ribbon burns in air with a dazzling flame and forms a white ash, is magnesium oxidised or reduced? Why?
In the reaction represented by the equation:
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
(i) name the substance oxidised.
(ii) name the oxidising agent.
(iii) name the substance reduced.
(iv) name the reducing agent.
Identify from the following reaction the reactants that undergo oxidation and reduction.
2Ag2O → 4 Ag + O2 ↑
Explain the following in term of gain or loss of oxygen with two examples.
Reduction
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K → K+ + e-
Choose terms from the options given in brackets to complete this sentence.
When CuO reacts with hydrogen,………………… is reduced and ……………….is oxidized to ………………….
(CuO, H2, Cu, H2O)
Name:
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Explain the following reaction with their balanced chemical equation.
Hydrogen sulphide reacts with sulphur dioxide.
During the reaction of some metals with dilute hydrochloric acid, following observations are made.
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Explain this observation giving suitable reason.
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- Write a balanced chemical equation for the reaction involved.
- What other name can be given to this precipitation reaction?
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