distinguish between dilute 1sulphuric acid and concentrated sulphuric acid. 2 Hcl and H2SO4 3 Hno3 and H2SO4
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Answer:
How will you distinguish between dilute hydrochloric acid and dilute sulphuric acid using lead nitrate solution?
Explanation:
Lead Nitrate reacts with HCl and H2SO4 as follows.
Pb(NO3)2 +2HCl——→PbCl2 + 2 HNO3
Pb(NO3)2 +H2SO4——→ PbSO4 +2HNO3
Both Lead chloride and Lead Sulphate are insoluble in cold water.
But PbCl2 is soluble in hot water. But PbSO4 is insoluble in hot water also.
To summarize Lead chloride prepitate formed by the reaction of HCl.and Lead Chloride will be soluble in hot water but insoluble in cold water.
But Lead Sulphate formed by the reaction of H2SO4 and Lead sulphare will be insoluble in both hot and cold water.
Thus we can distinguish HCl and H2SO4 , using Lead Nitrate.
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