Calcium hydroxide is slidhtly soluble (2 g/L) in water, while barium hydroxide i

Question

Calcium hydroxide is slidhtly soluble (2 g/L) in water, while barium hydroxide is moderately soluble (28 g/l). would you expect magnesium hydroxide to be more soluble or less soluble than strontium hydroxide? (Put down "More soluble" or "less soluble") Why? Palladium oxide (PdO), palladium polonide (PdPo), palladium selenide (PdSe), palladium sulfide (PdS), and palladium telluride (PdTe) are precipitated out as solids. Each solid compound is shaken with increasing concentration of ammonia, until all but one of the compounds has dissolved. The results are listed below. From these results, list the neutral elements (O, Po, Se, S, Te) of Group VIA in order of decreasing solubility of their palladium compounds. In other words, list the most soluble, or the one that dissolves in the lowest concentration of ammonia, first. The palladium compounds contain the negative ions of the neutral elements.

Explanation / Answer

Sr(OH)2 is more soluble , because all hydroxides are insoluble except those of the IA elements

PdTe>PdSe>PdS>PdO>PdPO

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