H2O2 turns blackened lead paintings to white colour. In this reaction it oxidises PbS to PbSO4. The number of moles of H2O2 needed to oxidise one mole of PbS is.
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a
1
b
2
c
0.5
d
4
answer is D.
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Detailed Solution
[H2O2 → H2O + [O]]x4Therefore, the number of moles of H2O2 required is 4 for the conversion of mole of Pbs to PbSO4