Chemistry - Complete P-block Question with Solution | TestHub

ChemistryComplete P-blockp-Block 15,16Easy2 minPYQ_2020
ChemistryEasysingle choice

A red coloured mixed oxide(X)on treatment with conc.HNO3gives a compoundY.(Y)with HCl produces a chloride(Z)which is insoluble in cold water but soluble in hot water,(Z)can also be formed by treating(X)with conc.HCl.Compounds(X),(Y)and(Z)are:

Options:

Answer:
A
Solution:

Pb3O4Xis red coloured mixed oxideofPbOandPbO2.
Pb 3 O 4 X +4HNO 3 Pb NO 3 2 Y +PbO 2 +2H 2 O
Pb NO 3 2 + 2HCl dil PbCl 2 Z +2HNO 3
PbCl2in insoluble in cold water but soluble in hot.
Pb3O4(X)+8HCl3PbCl2+4H2O+Cl2

Stream:NTA_ABHYASSubject:ChemistryTopic:Complete P-blockSubtopic:p-Block 15,16
2mℹ️ Source: PYQ_2020

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