Question

Name Page 5 Hints 12 You are given four unlabeled bottles, each containing a clear liquid. You are then provided with The following information. Your goal is to use the information below as well as the chart to fill in the Identity of the cation and anion in each bottle (record at bottom of page). Cr04 In the 4 bottles are silver (1) hydrogen, potassium, and lead() cations. Then chromate, nitrate, sulfate and lodide are the anions present. Each cation and anion are present in only one of the four bottles 4 is acidic while 1-3 are neutral 33 gives a light purple flame The only salts that are sparingly soluble and form precipitates are: A.CO. (red). At yellowPCIO. [yellowPbl fyellow and PUSO. (whitel Assume all other possible salts are soluble enough so that no precipitate will be detected The following redox reaction is possible: 2 + 2 CO HO + CO2 yellow solution to orange solution Cations Ht Kt Poth Ancors Croq No₂ so . white ppt these and identity match up is polow red pot Idea what combination is in each other wallow Fill in the boxes with the chemical formulas of the precipitates (SAMPLE Sheet Identify the cation and anion in each bottle: Bottle # Cation PA pahim Anion Complete and frid identity of all 4 bottles

Answer 1

problem is through Trial and The only way to solve this error method. we have four battles. Battle 1 Bottle 2 Bottle 3 Battle 4. ht Ph+2 kt Agt NO₂ croir I Each contains one anion and one calion. a) #7 Bottle 3 gives a purple flanne - It contains ktion b) ## mixing 1x2 gives a white ppt = PbSO4 Formed. () #7 mixing 2x3 guier a Red ppt » Ag crow Formed d) #7 mixing 3x4 guies a yellow → n => Heron Formed e orange sol" From @ it is confirmed that 3 contains croy- => Battle 3 → Kt, erol This implies battle Four contains tt ions. e) quien that solution 4 is acidic the amions may de Sou or ľ since sont connes in 1x2 mixing - the anion is ! > Bottle 4 ~ Ht, I f) e) For bottle 1 and tran 2 we are left with four ione Pb+2, 304, NO, Agt. on mixing 2x3 =) Red ppt formed a Cation is Ag + since the cation in B-3 is Akt cation in B-2 must e So its obvious that cation in B-1 is pbt2. mixing 1x2 white ppt Pbsoy Forms. I = anion in B-2 is 304 So its obvious that anion in B-1 is No₃ 2- g)

white ppt N PbSO4 Red Ppt Yellow ppt . Pb tror Ag crow Yellow orange Yellow ppt · Yellow ppt. Pb Iz Ag I H₂ C004.