Solutions and Solubility Concepts
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Questions and Answers

What is the component in a solution that determines the phase of the solution?

  • Non-electrolyte
  • Electrolyte
  • Solute
  • Solvent (correct)

Which class of solutes includes substances that do not yield ions when dissolved in water?

  • Electrolytes
  • Weak electrolytes
  • Non-electrolytes (correct)
  • Strong electrolytes

What is the classification of a substance like HCl that forms ions when dissolved in water?

  • Electrolyte (correct)
  • Weak electrolyte
  • Non-electrolyte
  • Crystalline solid

How many types of homogeneous mixtures of solute and solvent are possible according to the text?

<p>Nine (B)</p> Signup and view all the answers

In which state of matter can the thermal motions of molecules overcome attractive forces between them?

<p>Gaseous State (A)</p> Signup and view all the answers

What type of substances are naphthalene and urea classified as in terms of electrolytic properties?

<p>Non-electrolytes (C)</p> Signup and view all the answers

What is the main difference between intramolecular forces and intermolecular forces?

<p>Intramolecular forces involve covalent bonds within a compound, while intermolecular forces involve attractions between molecules. (C)</p> Signup and view all the answers

Which of the following best describes the Van der Waals forces?

<p>Attractions between molecules with permanent net dipoles (polar molecules). (C)</p> Signup and view all the answers

What type of force occurs between polar and nonpolar molecules?

<p>Dipole-induced dipole forces (A)</p> Signup and view all the answers

Cohesion is best described as:

<p>The attraction of like molecules. (C)</p> Signup and view all the answers

What is the main difference between hydrogen bonding and Van der Waals forces?

<p>Hydrogen bonding involves the attraction between hydrogen and oxygen atoms, while Van der Waals forces involve dipole-dipole interactions. (B)</p> Signup and view all the answers

Which type of force arises between nonpolar molecules that can induce polarity in each other?

<p>London dispersion forces (A)</p> Signup and view all the answers

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