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NEET levelSingle correct optionDifficulty 1 of 3pn060

Ozone oxidises black lead sulphide to a white compound. The compound formed is

A $PbSO X_{3}$
B $PbSO X_{4}$
C $PbO$
D $PbO X_{2}$

Answer: B

PbS + 4 O X_{3} PbSO X_{4} + 4 O X_{2}

. Sulphide is oxidised to sulphate and the white lead sulphate is formed (used to restore old paintings).

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