Multiple Choice
Which of the following hydroxide compounds is insoluble in water?
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6. Chemical Quantities & Aqueous Reactions
Solubility Rules
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According to general solubility rules, is PbBr2 (lead(II) bromide) soluble or insoluble in water?
A
It depends on temperature
B
Highly soluble
C
Insoluble
D
Soluble
Verified step by step guidance1
Recall the general solubility rules for ionic compounds in water, which help predict whether a compound will dissolve or not.
Identify the ions in PbBr\_2: Pb\^{2+} (lead(II) ion) and Br\^- (bromide ion).
According to solubility rules, most bromide salts are soluble except those containing Pb\^{2+}, Ag\^+, and Hg\_2\^{2+}, which tend to be insoluble or only slightly soluble.
Since PbBr\_2 contains Pb\^{2+}, it is expected to be insoluble or only sparingly soluble in water.
Therefore, based on these rules, PbBr\_2 is classified as insoluble in water under normal conditions.
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