Intermolecular Forces and Energy
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Questions and Answers

What type of interaction is involved in bonding metal ions to ligands?

  • Non-polar interactions
  • Dipole-dipole interaction (correct)
  • Hydrogen bonding
  • London forces

In which type of bond does hydrogen bonding occur?

  • N-N bond
  • C-C bond
  • O-O bond
  • C-H bond (correct)

What happens in polar bonds regarding charge separation?

  • Small charge separation
  • No charge separation
  • Large charge separation (correct)
  • Opposite charge separation

What kind of molecules do not have dipoles like polar molecules?

<p>Non-polar molecules (A)</p> Signup and view all the answers

Which type of interaction is a special type of dipole-dipole attraction that is very strong?

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

Which type of substance typically has a higher melting point based on the text?

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

What is mentioned in the text as having a lower melting point compared to metals?

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

Which substance category is specifically mentioned as having a higher melting point than molecular substances?

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

Based on the text, which substance is described as having a high melting point and is used as an example of a category?

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

Which type of substance is implied to have the lowest melting point from the text?

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

What is responsible for the formation of London forces in non-polar compounds?

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

When do London forces occur between atoms or molecules?

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

What factor influences the strength of London forces?

<p>Mass of the atoms/molecules (D)</p> Signup and view all the answers

How do dipole-dipole forces compare to London forces in terms of permanence?

<p>Dipole-dipole forces are always present (C)</p> Signup and view all the answers

Why do London forces exist even in non-polar compounds?

<p>Because of transient tiny dipoles (B)</p> Signup and view all the answers

What type of intermolecular forces are London forces?

<p>The weakest IMF (A)</p> Signup and view all the answers

How does the size of IMF affect the energy required to overcome them?

<p>Larger IMF requires more energy to overcome (B)</p> Signup and view all the answers

Which of the following statements is true about London forces?

<p>They exist between all molecules (C)</p> Signup and view all the answers

In terms of strength, how do London forces compare to other types of IMF?

<p>London forces are weaker than dipole-dipole interactions (B)</p> Signup and view all the answers

Why is it more challenging to break large IMFs compared to smaller IMFs?

<p>Large IMFs have stronger bonds holding them together (D)</p> Signup and view all the answers

How are the melting and boiling points affected by the size of the IMF's?

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

Compared to bonds, what is the relationship between IMF's and melting/boiling points?

<p>IMF's increase melting/boiling points (A)</p> Signup and view all the answers

What type of solids have melting and boiling points influenced by both bonds and IMF's?

<p>Covalent network solids (C)</p> Signup and view all the answers

If IMF's are weaker than bonds, what can be inferred about the melting and boiling points of substances with strong bonds?

<p>They will be higher (B)</p> Signup and view all the answers

How can the relative strength of bonds and IMF's be used to predict the behavior of different types of solids?

<p>It can predict the state of matter of the solid (D)</p> Signup and view all the answers

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