Scelta multipla
Which of the following compounds is most likely to dissolve in hexane?
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6. Chemical Quantities & Aqueous Reactions
Solubility Rules
Scelta multipla
According to solubility rules, which of the following compounds is most likely to be insoluble in water?
A
AgCl
B
K_2SO_4
C
NaNO_3
D
NH_4Br
Guida verificata passo dopo passo1
Recall the general solubility rules for ionic compounds in water: most alkali metal salts (like K+ and Na+) and ammonium salts (NH_4^+) are soluble, as are most nitrates (NO_3^-).
Identify the ions in each compound: K_2SO_4 contains K^+ and SO_4^{2-}, NaNO_3 contains Na^+ and NO_3^-, NH_4Br contains NH_4^+ and Br^-, and AgCl contains Ag^+ and Cl^-.
Apply the solubility rules: K_2SO_4 is generally soluble because sulfates are mostly soluble except with certain cations; NaNO_3 is soluble because nitrates are always soluble; NH_4Br is soluble because ammonium salts and bromides are soluble.
Recognize that silver chloride (AgCl) is a classic example of an insoluble salt because most silver salts are insoluble except for a few exceptions.
Conclude that among the given compounds, AgCl is most likely to be insoluble in water based on these solubility rules.
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