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On heating lead (II) nitrate gives a bro...

On heating lead (II) nitrate gives a brown gas "A". The gas "A" on cooling changes to colourless solid "B". Solid "B" on heating with NO changes to a blue solid «C. Identify 'A', 'B' and 'C and also write reactions involved and draw the structures of 'B' and 'C\

Text Solution

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`2Pb(NO_(3))_(2) overset(Delta)underset(673 K) to 2PbO + underset(A)(4NO_(2)) + O_(2)`
`2NO_(2)(g) overset("Cooling")underset("Heating") `2NO + N_(2)O_(4) overset(Delta)underset(250 K)to underset("Blue solid")underset(C )(N_(2)O_(4)(s))`
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