Study of the First Element - Hydrogen — CHEMISTRY STD 9 — Question
ICSE BoardEnglish MediumSTD 9CHEMISTRYStudy of the First Element - Hydrogen1 Mark
Question
State whether the following conversion is oxidation or reduction:
$PbO_2+ SO_2→PbSO_4$
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Answer
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.
$PbO_2→$ Reduction, $SO_{2} →$ Oxidation.
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