Praxis II General Science

Category - Major Ideas

The two primary types of chemical compounds are ionic compounds, with ionic bonds, and covalent compounds, with covalent bonds. Ionic compounds would likely be soluble in:
  1. Water.
  2. Oil.
  3. Gasoline.
  4. Hexane.
  5. Carbon Tetrachloride,
Explanation
Answer: A - Ionic compounds have ionic bonds which are due to a large electronegativity difference. These types of bonds are very polar, and are soluble in polar substances, such as water. The other compounds listed are non-polar or hydrophobic solvents, and cannot dissolve ionic bonds.
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