Gr 11 Physical Sciences: Ch 4.1 Intermolecular and interatomic forces
48 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What type of intermolecular force occurs between an ion and a non-polar molecule?

  • Dipole-Dipole Force
  • Hydrogen Bonding
  • Ion-Induced Dipole Force (correct)
  • Ion-Dipole Force

Which type of intermolecular force is responsible for the attraction between two polar molecules?

  • London Dispersion Force
  • Ion-Dipole Force
  • Dipole-Dipole Force (correct)
  • Dipole-Induced Dipole Force

What is the term used to describe a molecule with a slightly positive charge (δ+) and a slightly negative charge (δ−)?

  • Dipole (correct)
  • Polar Molecule
  • Non-Polar Molecule
  • Ion

Which type of intermolecular force is present in all molecules?

<p>Induced Dipole Force (B)</p> Signup and view all the answers

What type of intermolecular force occurs between a polar molecule and a non-polar molecule?

<p>Dipole-Induced Dipole Force (C)</p> Signup and view all the answers

What is the result of a difference in electronegativity between atoms in a molecule?

<p>A polar molecule (B)</p> Signup and view all the answers

Which of the following is an example of Dipole-Induced Dipole Forces?

<p>Chloroform in carbon tetrachloride (D)</p> Signup and view all the answers

What is the special case of Dipole-Dipole Forces?

<p>Hydrogen Bonding (A)</p> Signup and view all the answers

Which type of atom is typically involved in forming hydrogen bonds?

<p>Highly electronegative atoms like oxygen, nitrogen, or fluorine (A)</p> Signup and view all the answers

What is a characteristic of intermolecular forces?

<p>They occur between molecules and are generally weaker than interatomic forces (D)</p> Signup and view all the answers

Which of the following properties is NOT affected by intermolecular forces?

<p>Electrical conductivity (A)</p> Signup and view all the answers

What is the relationship between molecular size and intermolecular forces?

<p>Larger molecules have stronger intermolecular forces (A)</p> Signup and view all the answers

Which of the following is an example of a substance with strong intermolecular forces?

<p>Water (D)</p> Signup and view all the answers

What is the result of stronger intermolecular forces on a substance's thermal expansion?

<p>It expands more slowly when heated (B)</p> Signup and view all the answers

Which of the following is a result of weaker intermolecular forces?

<p>Faster evaporation (A)</p> Signup and view all the answers

What is the relationship between solubility and intermolecular forces?

<p>Substances dissolve in solvents with similar intermolecular forces (C)</p> Signup and view all the answers

What is a characteristic of hydrogen bonds?

<p>They are a relatively strong intermolecular force (D)</p> Signup and view all the answers

What is the primary difference between intermolecular and interatomic forces?

<p>The location of the forces within a molecule (D)</p> Signup and view all the answers

What is the result of strong intermolecular forces on a substance's phase of matter?

<p>It becomes a solid (D)</p> Signup and view all the answers

What is the relationship between viscosity and intermolecular forces?

<p>Stronger intermolecular forces result in higher viscosity (B)</p> Signup and view all the answers

What is the result of increasing the number of carbon atoms in an organic compound like an alkane?

<p>The boiling point and melting point increase (A)</p> Signup and view all the answers

What is the relationship between surface tension and intermolecular forces?

<p>Stronger intermolecular forces result in higher surface tension (D)</p> Signup and view all the answers

What is the result of weaker intermolecular forces on a substance's evaporation rate?

<p>It evaporates faster (D)</p> Signup and view all the answers

What is the relationship between thermal conductivity and intermolecular forces?

<p>Free electrons are responsible for thermal conductivity (B)</p> Signup and view all the answers

What is the primary factor that determines the polarity of a molecule?

<p>The difference in electronegativity between its atoms (B)</p> Signup and view all the answers

Which type of intermolecular force is responsible for the attraction between an ion and a polar molecule?

<p>Ion-Dipole Forces (C)</p> Signup and view all the answers

What is the name of the temporary dipole that occurs in non-polar molecules?

<p>Induced Dipole (A)</p> Signup and view all the answers

Which type of intermolecular force is responsible for the attraction between two non-polar molecules?

<p>Induced Dipole Forces (London Dispersion Forces) (A)</p> Signup and view all the answers

What is the result of a polar molecule inducing a dipole in a non-polar molecule?

<p>Dipole-Induced Dipole Forces (C)</p> Signup and view all the answers

What is the term used to describe the attraction between the positive and negative poles of two polar molecules?

<p>Dipole-Dipole Forces (C)</p> Signup and view all the answers

Which type of intermolecular force is responsible for the attraction between a polar molecule and a non-polar molecule?

<p>Dipole-Induced Dipole Forces (B)</p> Signup and view all the answers

What is the term used to describe a molecule that has a slightly positive charge (δ+) and a slightly negative charge (δ−)?

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

What is the primary reason why hydrogen bonds are relatively strong intermolecular forces?

<p>They occur between molecules with highly electronegative atoms (B)</p> Signup and view all the answers

Which of the following is an example of a substance that exhibits strong intermolecular forces due to the presence of hydrogen bonds?

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

What is the primary difference between intermolecular forces and interatomic forces?

<p>Intermolecular forces occur between molecules, while interatomic forces occur within molecules (C)</p> Signup and view all the answers

Which of the following properties is most affected by the strength of intermolecular forces?

<p>Viscosity (C)</p> Signup and view all the answers

What is the relationship between molecular size and intermolecular forces in organic compounds like alkanes?

<p>Larger molecules have stronger intermolecular forces (B)</p> Signup and view all the answers

What is the result of weaker intermolecular forces on a substance's boiling point?

<p>The boiling point decreases (D)</p> Signup and view all the answers

What is the relationship between surface tension and intermolecular forces?

<p>Stronger intermolecular forces result in higher surface tension (A)</p> Signup and view all the answers

What is the result of stronger intermolecular forces on a substance's viscosity?

<p>The viscosity increases (B)</p> Signup and view all the answers

Which of the following is a characteristic of dipole-dipole forces?

<p>They are responsible for the attraction between the positive and negative poles of two polar molecules (B)</p> Signup and view all the answers

What is the primary reason for the existence of ion-dipole forces?

<p>The presence of a permanent dipole in a polar molecule (C)</p> Signup and view all the answers

Which of the following statements is true about induced dipole forces?

<p>They are present in all molecules, but are the only forces in non-polar molecules (B)</p> Signup and view all the answers

What is the term used to describe the temporary dipole that occurs in non-polar molecules?

<p>Induced dipole (C)</p> Signup and view all the answers

Which of the following is an example of a dipole-induced dipole force?

<p>The attraction between a polar molecule and a non-polar molecule, such as chloroform in carbon tetrachloride (C)</p> Signup and view all the answers

What is the primary difference between intermolecular and interatomic forces?

<p>Intermolecular forces occur between molecules, while interatomic forces occur between atoms (A)</p> Signup and view all the answers

Which of the following types of intermolecular forces is responsible for hydrogen bonding?

<p>Dipole-dipole forces, in a special case (A)</p> Signup and view all the answers

What is the result of a difference in electronegativity between atoms in a molecule?

<p>The formation of a permanent dipole, resulting in a polar molecule (B)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Use Quizgecko on...
Browser
Browser