H(2)O(2) tums blackened lead paintings t...

`H_(2)O_(2)` tums blackened lead paintings to white colour, In this reaction it oxidises Pbs to `PbSO_(4)`. The number of moles of `H_(2)O_(2)` needed to oxidise one mole of PbS is

A

1

B

2

C

`0.5`

D

4

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The correct Answer is:

D

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