If you have to dissolve lead (II) oxide ( $P b O$ ), which acid will you choose?

H_{2} S O_{4}

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H N O_{3}

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H_{3} P O_{4}

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H C I

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Solution

The correct option is B $H N O_{3}$
$P b O + H N O_{3} c o n c \to P b (N O_{3})_{2} d i s s o l v e d + H_{2} O$
If you have to dissolve lead (II) oxide $(PbO)$, we will choose nitric acid. This is because lead nitrate formed is soluble in water. If $H_{2} S O_{4}$ is used, an insoluble layer of $P b S O_{4}$ is deposited on the surface of the powder and prevents further reaction. Likewise, $P b C l_{2}$ prevents the reaction with $H C l$ .

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If you have to dissolve lead (II) oxide (PbO), which acid will you choose?

If you have to dissolve lead (II) oxide ( $P b O$ ), which acid will you choose?