How will you distinguished between dilute HCl and dilute H _2 SO … - Vidyadip

Question

How will you distinguished between dilute HCl and dilute $H _2 SO _4$ using lead nitrate solution?

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Answer

Sulphuric acid precipitates the insoluble sulphate from lead nitrate solution.
$
Pb \left( NO _3\right)_2+ H _2 SO _4 \longrightarrow PbSO _4+2 HNO _3
$Lead nitrate reacts with hydrochloric acid to give a white ppt. of lead chloride.
$
Pb \left( NO _3\right)_2+2 HCl \longrightarrow PbCl _2+2 HNO _3
$

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