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प्रश्न
Give two test for an oxidising agent.
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उत्तर
Test For An Oxidising Agent:
- On heating strongly, oxidising agent liberates oxygen and to test oxygen: O2 gas rekindles a glowing splinter.
- On warming oxidising agent with cone. HCl, it liberates chlorine, that bleaches moist litmus paper.
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संबंधित प्रश्न
Which of the statements about the reaction below are incorrect?
\[\ce{2PbO(s) + C(s) → 2Pb(s) + CO2(g)}\]
- Lead is getting reduced.
- Carbon dioxide is getting oxidised.
- Carbon is getting oxidised.
- Lead oxide is getting reduced.
Why is photosynthesis considered an endothermic reaction?
The process of respiration is:
(a) an oxidation reaction which is endothermic
(b) a reduction reaction which is exothermic
(c) a combination reaction which is endothermic
(d) an oxidation reaction which is exothermic
In the following reaction: A+ + B → A + B+. Write half-reactions for this reaction and name:
- oxidizing agent
- substance oxidized
- reducing agent
Which of the following statements about hydrogen is incorrect?
Name:
a gas that is oxidizing as well as a reducing agent.
Select the oxidising agent for the following reaction:
\[\ce{H2S + I2 -> 2HI + S}\]
Oxidizing agents are otherwise called ______.
Find the oxidation number of the element in the following compound.
Zn in ZnSO4
State whether the given chemical reaction is a redox reaction or not. Justify your answer.
\[\ce{MnO_2 + 4HCl->MnCl_2 +2H_2O + Cl_2}\]
