Multiple Choice
Which of the following compounds is most soluble in water?
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6. Chemical Quantities & Aqueous Reactions
Solubility Rules
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Which of the following statements best describes the solubility of ionic compounds in water?
A
All ionic compounds are soluble in water.
B
Some ionic compounds are soluble in water, while others are insoluble depending on their ions.
C
No ionic compounds are soluble in water.
D
Most ionic compounds are insoluble in water.
Verified step by step guidance1
Understand that solubility of ionic compounds in water depends on the nature of the ions involved and their interactions with water molecules.
Recall that water is a polar solvent, and ionic compounds dissolve when the attraction between water molecules and ions overcomes the ionic lattice energy holding the compound together.
Recognize that some ionic compounds, like sodium chloride (NaCl), dissolve readily because their ions interact strongly with water, while others, like barium sulfate (BaSO4), are largely insoluble due to stronger ionic bonds or lattice energies.
Therefore, solubility is not an all-or-nothing property for ionic compounds; it varies depending on the specific ions and their properties.
Conclude that the best description is: 'Some ionic compounds are soluble in water, while others are insoluble depending on their ions.'
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