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Asked Oct 29, 2019
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An aqueous solution was known to contain the these anions:
CO, Cr, PO, SO
4 >
3 The following tests were conducted.
addition of silver nitrate
addition of excess dilute HNO
Addition of barium nitrate
Explain how these tests should be conducted to separate the four ions.
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An aqueous solution was known to contain the these anions: CO, Cr, PO, SO 4 > 3 The following tests were conducted. addition of silver nitrate addition of excess dilute HNO Addition of barium nitrate Explain how these tests should be conducted to separate the four ions.

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Expert Answer

Step 1

Given,

CO32-, Cl-, PO43- and SO42-

...
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(a) Addition of silver nitrate: The addition of silver nitrate to the solution contains given anions gives the silver chloride as precipitated. Therefore chloride ions get separated by using silver nitrate CIAgNO,NaNO, Ag Cl (Silver chloride) 3 White precipitate (b) Addition of excess dilute HNO3 The addition of excess dilute HNO3 to the solution contains given anions gives the orthophosphoric acid as precipitated. Therefore chloride ions get separated by using dil.HNO3 PO (s)HNO3 (aq) H,PO4 (aq) Precipitate

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