Advertisements
Advertisements
प्रश्न
State whether the following conversion is oxidation or reduction:
PbO2 + SO2→ PbSO4
Advertisements
उत्तर
When there is an increase in the oxidation state, the compound is said to undergo oxidation.
When there is a decrease in the oxidation state, the compound undergoes a reduction.
PbO2 → Reduction, SO2 → Oxidation.
APPEARS IN
संबंधित प्रश्न
Identify in the following reaction (a) the substance oxidised, and (b) the substance reduced:
\[\ce{ZnO + C -> Zn + CO}\]
Give one example of an oxidation-reduction reaction which is also a combination reaction.
State, giving reason, whether the substances printed in bold letters have been oxidized or reduced.
Cl2 + H2S → 2HCl + S
Name:
a substance that oxidizes concentrated HCl to chlorine.
Complete and balance the following equation:
H2 + S → ___________
The tarnishing of metals is due to the formation of ______.
Identify the following reactions as oxidation/reduction/redox reaction
CuO+H2 → Cu+H2O
Identify the following reactions as oxidation/reduction/redox reaction
2Mg +O2 → 2MgO
In the redox reaction:
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
The metallic oxide which can be reduced by using common reducing agents is ______.
