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प्रश्न
For the reaction PbO + H2→ Pb + H2O, which of the following statements is wrong?
पर्याय
H2 is the reducing agent.
PbO is the oxidizing agent.
PbO is oxidized to Pb.
H2 is oxidized to H2O.
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उत्तर
PbO is oxidized to Pb.
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संबंधित प्रश्न
Identify the substances that are oxidised and the substances that are reduced in the following reaction.
\[\ce{4Na(s) + O2(g) -> 2Na2O(s)}\]
Indicate which of the following statement is true and which is false:
The removal of hydrogen from a substance is called 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.
2Mg + O2 → 2MgO
Explain the following in term of gain or loss of oxygen with two examples.
Oxidation
State, giving reason, whether the substances printed in bold letters have been oxidized or reduced.
H2S + Cl2→ 2HCl + S
Write the equation in the ionic form
CuSO4(aq) + Fe(s)→ FeSO4(aq) + Cu(s)
State the condition and give balanced equation for the conversion of coke to water gas.
Explain the following reaction with their balanced chemical equation.
Hydrogen sulphide reacts with sulphur dioxide.
Identify the following reactions as oxidation/reduction/redox reaction
CuO+H2 → Cu+H2O
