Multiple Choice
Which of the following occurs when solid sodium chloride (NaCl) dissolves in water?
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6. Chemical Quantities & Aqueous Reactions
Solubility Rules
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Which of the following ionic compounds is insoluble in water?
A
NaNO_3
B
K_2SO_4
C
NH_4Br
D
AgCl
Verified step by step guidance1
Understand the concept of solubility rules for ionic compounds in water, which help predict whether a compound will dissolve or remain solid.
Recall that most nitrates (NO_3^-), alkali metal salts (like Na^+ and K^+ compounds), and ammonium (NH_4^+) salts are generally soluble in water.
Identify that NaNO_3, K_2SO_4, and NH_4Br all contain ions that typically form soluble compounds according to common solubility rules.
Recognize that silver chloride (AgCl) is a classic example of an ionic compound that is insoluble in water due to the low solubility of most silver halides.
Conclude that among the given options, AgCl is the compound that is insoluble in water, while the others are soluble.
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