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Question

Chemistry Question on p -Block Elements

Lead pipes are not suitable for drinking water because

A

lead forms basic lead carbonate

B

lead reacts with water containing air to form \cePb(OH)2\ce{Pb (OH)_2}

C

a layer of lead dioxide is deposited over lipes

D

lead reacts with air to form litharge

Answer

lead reacts with water containing air to form \cePb(OH)2\ce{Pb (OH)_2}

Explanation

Solution

2Pb+2H2O+O2>2Pb(OH)2 { 2Pb + 2H2O +O2 -> 2Pb(OH)2}