Question

1)In the following reaction between lead sulphide and hydrogen peroxide :

PbS(s) + 4H2O2(aq) → PbSO4(s) + 4H2O(l)

(a) Which substance is reduced?

(b) which substance is oxidisd​

Answer 1

(a) H2O2 is reduced to H2O.

(b) PbS is oxidised to PbSO4.

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Answer 2

$\huge\red{ Solution \:}$

Explanation : -

• A ) H2O2 is reduced to H2O.

• B ) PBS is Oxidised to PBSO4.

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