salt analysis
i get that one of em will be Cd2+ since CdS is yellow. all options have 2A cations, insoluble in YAS so that doesn't eliminate any option. the bluish-white ppt is with Zn2+ right?
ans is cu2+ and cd2+

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@Dexter
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Blue white ppt with K4Fe(CN)6 is given by Cd+2 means Q is Cd+2
And also its ammonia conplex is colorless as d10
Salt P form complex with Cn- means its d block and Hg+2 not forms complex with CN-
So only Cu+2 possible to be P
And in last 2 reaction were thought that Cu complex with CN- is perfect wrt H2S while Cu+2 complex is imperfect in H2S hence giving Yellow ppt
From where is this question it required many points so have to open notes don't remember so much 😅
probably SCORE
or pre-score
Pre score what? Allen question? Or what then
yeah
allen
@nori
yeah
+solved @Deepanshu
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