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प्रश्न
What is an oxidising agent?
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उत्तर
An oxidising agent is a compound that supplies oxygen in a reaction and gets reduced.
Examples of oxidising agents are potassium permanganate, potassium dichromate, oxygen and ozone.
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संबंधित प्रश्न
In the following reaction between lead sulphide and hydrogen peroxide:
\[\ce{PbS_{(s)} + 4H2O2_{(aq)} -> PbSO4_{(s)} + 4H2O_{(l)}}\]
- Which substance is reduced?
- Which substance is oxidised?
The electron releasing tendency of zinc is ______ than that of copper.
State, giving reason, whether the substances printed in bold letters have been oxidized or reduced.
PbO + CO → Pb + CO2
State whether the following conversion is oxidation or reduction:
K → K+ + e-
Name:
an oxidizing agent that does not contain oxygen.
Which of the following statements about the given reaction are correct?
\[\ce{3Fe_{(s)} + 4H2O_{(g)} -> Fe3O4_{(s)} + 4H2_{(g)}}\]
(i) Iron metal is getting oxidised.
(ii) Water is getting reduced.
(iii) Water is acting as the reducing agent.
(iv) Water is acting as oxidising agent.
Oxidation is a process which involves ____________.
Why do we store silver chloride in a dark coloured bottle?
Mention some oxidation reactions that occur in daily life.
A reddish brown metal used in electrical wires when powdered and heated strongly turns black. When hydrogen gas is passed over this black substance, it regains its original colour. Based on this information answer the following questions:
- Name the metal and the black substance formed.
- Write balanced chemical equations for the two reactions involved in the above information
