Multiple Choice
Which of the following compounds is insoluble in water according to common solubility rules?
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6. Chemical Quantities & Aqueous Reactions
Solubility Rules
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According to common solubility rules, which of the following compounds is generally insoluble in water?
A
AgCl
B
NH_4Br
C
KNO_3
D
NaCl
Verified step by step guidance1
Recall the common solubility rules for ionic compounds in water, which help predict whether a compound will dissolve or remain insoluble.
Identify that compounds containing alkali metal ions (such as Na\textsuperscript{+} and K\textsuperscript{+}) and the ammonium ion (NH\textsubscript{4}\textsuperscript{+}) are generally soluble in water.
Recognize that most nitrates (NO\textsubscript{3}\textsuperscript{−}) are soluble without exception.
Note that silver chloride (AgCl) is an example of a halide salt that is generally insoluble in water, as silver halides tend to have low solubility.
Conclude that among the given options, AgCl is the compound that is generally insoluble in water according to the solubility rules.
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