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Questions and Answers
According to the solubility rules, which of the following compounds is insoluble?
According to the solubility rules, which of the following compounds is insoluble?
- Sodium chloride (NaCl)
- Ammonium chloride (NH4Cl)
- Potassium nitrate (KNO3)
- Barium sulfate (BaSO4) (correct)
What is the exception to the general rule that most hydroxides are insoluble?
What is the exception to the general rule that most hydroxides are insoluble?
- Alkali metal hydroxides (correct)
- Barium hydroxide
- Ammonium hydroxide
- Calcium hydroxide
Which ion would not form an insoluble compound according to the solubility rules?
Which ion would not form an insoluble compound according to the solubility rules?
- Barium (Ba) ion (correct)
- Lead (Pb) ion
- Iron (Fe) ion
- Silver (Ag) ion
In the provided reaction, which compound is the precipitate?
In the provided reaction, which compound is the precipitate?
Flashcards
Insoluble compound
Insoluble compound
A compound that does not dissolve in a solvent.
Soluble hydroxides
Soluble hydroxides
Hydroxides that do dissolve in water. Usually alkali metals.
Barium's solubility
Barium's solubility
Barium readily forms insoluble compounds.
Precipitate
Precipitate
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Study Notes
Solubility Rules
- According to the solubility rules, some compounds are insoluble
- Most hydroxides are insoluble, but there is an exception
- The exception to the general rule is calcium hydroxide (Ca(OH)2) and strontium hydroxide (Sr(OH)2)
Insoluble Compounds
- Some compounds are insoluble according to the solubility rules
Precipitate
- In a reaction, a compound can be a precipitate
- A precipitate is a solid that forms from a solution
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