NH_(3) solutionwas added to four semple solution in difference test tube and found the following observation about the precipitate. a. White ppt which is solution in oxcess of NH_(3) solution b.On heating whichis white in cold but yellow on heating c. The cationpresent in (b) forms white ppt , with hypo solutionwhich give black ppt on heating d. The cation present in (c ) forms soluble complex withexcess of NH_(3) solution White ppts in (a),(b) and (c ) respectively obtained are

NH_(3) solutionwas added to four semple solution in difference test tu

1.	NH_(3) solutionwas added to four semple solution in difference test tube and found the following observation about the precipitate. a. White ppt which is solution in oxcess of NH_(3) solution b.On heating whichis white in cold but yellow on heating c. The cationpresent in (b) forms white ppt , with hypo solutionwhich give black ppt on heating d. The cation present in (c ) forms soluble complex withexcess of NH_(3) solution White ppts in (a),(b) and (c ) respectively obtained are
Answer» `Zn(OH)_(2),Zn(OH)_(2),HgOHg(NH_(2))NO_(3)` `CD(OH)_(2),Zn(OH)_(2),HgOHg(NH_(2))NO_(3)` `HgOHg(NH_(2))NO_(3)Zn(OH)_(2),Cd(OH)_(2)` `AI(OH)_(2),Zn(OH)_(2),Pb(OH)_(2)` Solution :