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Question

State True or False.
(B) is PbCl2.

A
True
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B
False
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Solution

The correct option is A True
Lead nitrate (A) reacts with NaCl to form a white precipitate of lead chloride (B).
Pb(NO3)2+2NaClPbCl2white ppt(B)+2NaNO3
Lead(II) ions react with hydrogen sulphide to from black ppt (C) of lead sulphide.
Pb2++H2SPbSblack,C+2H+
Lead chloride reacts with KI to form yellow ppt D of lead iodide.
PbCl2+2KIPbI2yellowppt,D+2KCl
Lead nitrate on heating forms lead oxide and liberates a reddish brown gas which is nitrogen dioxide.
2Pb(NO3)2heat2PbO+4NO2+O2

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