Which of the following compounds, when added to a 1.0-M solution of HClO4, has a solubility...

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Chemistry

Which of the following compounds, when added to a 1.0-Msolution of HClO4, has a solubility greater than in purewater? Select all that apply.

Group of answer choices

Cr(ClO4)3

Ca3(PO4)2

PbI2

ZnS

AgBr

BaF2

Answer & Explanation Solved by verified expert
3.8 Ratings (570 Votes)
1 CrClO43 dissociate in water as CrClO43 Cr3 3ClO4 Now when we add HClO4 to this solution we know HClO4 also dissociate in water as HClO4 H ClO4 That means after addition of HClO4 the concentration of ClO4 in the solution will increase That means the recation CrClO43 Cr3 3ClO4 will strat proceeding in backward direction ie formation of CrClO43 from Cr3 and ClO4 So the solubility of CrClO43 will decrease upon addition of HClO4 2 Ca3PO42 dissociate in water as Ca3PO42 3Ca2 2PO42    See Answer
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