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 The solution initialy present in (a) + H_(2)S (basic medium) gives ppt , then (a) may have

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

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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 The solution initialy present in (a) + H_(2)S (basic medium) gives ppt , then (a) may have
Answer» `Zn^(2+)` `CD^(2+)` `Co^(2+)` `Ni^(2+)` SOLUTION :N//A