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Write-up for Knowns GSI: Acid Insoluble Chloride Group Sample: AgNO3 Pb(NO Reagents: 6 M HC prepare known. 5 drops Ag (NO2) Pb(ND), Mix then centrifuge add more drop GM Hel. centrif Imi di water for wash filtrate, another ime DI the filtrate. Check for solids. Observation: Solid formed at bottom Conclusion: Equations: STI: Lead, Pb2+ Sample: Lead Pb 2+ Reagents: DI Procedure: Add aml? a 2 mL to precipitate from GS 1, and heat to boil. While mixing. Let precipitate settle then filtrate sol again and cooil. Keep Filtratrate and add 3 drops potass, chromate. After bail add 10 drop ammonia, an Shake, let settle and filtrate. Then centrifuge if scho Observation: when odding potass chrometeo Then centrifuge if solid left it is silu 9 Poross chromate gelow. Occus, Conclusion: Equations:

Answer 1

Problem was based over basic group redical test.

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GSI! Scomple: Ag tog i pb aves), reagents: 6M HCl observation solid P.PT formed at bottorn. Conclusion since chonde of out and Pb are insoluble in water so they formed PP.T. in solution and settle down at bottom. and pbt2 equations! Ag No+ HCl → Agc14+ HH03 PPT (97) Pch & + 2HNO₃ Pb(NO₃)₂ + 2H01 STI: Lead, pbt2 Sample : Lead P6+2. reagents: GM HCL observation ! on Adding Kalooy, yellow ppt obtained. conclusion : when we wat boil solution obtained from GSI then PPT of pbch soluble in to Hot water. . . After filter when we al 3 drops of. Kaeroy + sa boil + lo chop NH₂ tshake then yellow PPT obtwn on centrifuge because of formation of poeroy ③ why is used to remene trace of . Agcl from asi equations: pbeh + Kuso. Pbekt Kectoy → pbcroysterc) yellow еет → Ag (Wha), +c! (49) (44) CS Scan Agchich. Nothy CamSesyner (49)