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Reactivity with Air CO2 and Water (Group 1)

Pb3O4 reacts ...

Question

$P b_{3} O_{4}$ reacts with $H N O_{3}$ forming nitrate and oxide which are :

P b (N O_{3})_{4}

from

P b O_{2}

, and

P b O

remains unreacted.

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P b (N O_{3})_{2}

from

P b O

, and

P b O_{2}

remains unreacted.

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P b (N O_{3})_{2}

and

P b (N O_{3})_{4}

, and

P b O

remains unreacted.

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P b_{3} O_{4}

remains insoluble in

H N O_{3}

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Solution

The correct option is C $P b (N O_{3})_{2}$ from $P b O$ , and $P b O_{2}$ remains unreacted.
$P b_{3} O_{4}$ is $2 P b O . P b O_{2}$ and with $H N O_{3}$ .
Reaction:
$P b_{3} O_{4} + 4 H N O_{3} \to 2 P b (N O_{3})_{2} + P b O_{2} + 2 H_{2} O$ ,
So, it forms $P b (N O_{3})_{2}$ from $P b O$ , and $P b O_{2}$ remains unreacted.

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Similar questions

P b_{3} O_{4}

on reaction with

H N O_{3}

forms

P b (N O_{3})_{2}

and

P b O_{2}

Q. How many of the following oxides are basic oxides?

C O_{2}, S n O_{2}, P b O, P b O_{2}, P b_{3} O_{4}, A l_{2} O_{3}

100 ml mixture of Co and $C O_{2}$ is mixed with 30 ml of oxygen and sparked in a eudiometer tube. The residual gas after treatment with aqueous KOH has a volume of 10 ml which remains unchanged when treated with alkaline pyrogallol. If all the volumes are under the same conditions, point out the correct option(s).

Q. Balance the following equation.

M n O + P b O_{2} + H N O_{3} \to H M n O_{4} + P b (N O_{3})_{2} + H_{2} O

Q. Equal weights of zinc and iodine react together and the iodine is completely converted to

Z n I_{2}

. What fraction by weight of the original zinc remains unreacted? (

Z n = 65, I = 127

g/mol)

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Pb3O4 reacts with HNO3 forming nitrate and oxide which are :

The correct option is C Pb(NO3)2 from PbO, and PbO2 remains unreacted.Pb3O4 is 2PbO.PbO2 and with HNO3.Reaction:Pb3O4+4HNO3→2Pb(NO3)2+PbO2+2H2O,So, it forms Pb(NO3)2 from PbO, and PbO2 remains unreacted.

$P b_{3} O_{4}$ reacts with $H N O_{3}$ forming nitrate and oxide which are :