Dipole-Dipole Force: Effects & Examples

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In summary, the conversation discusses the different types of intermolecular forces and their characteristics. The answers to the questions are: 1. c. London Dispersion Force; 2. b. Dipole-Dipole Force; 3. b. Dipole-Dipole Force; 4. c. London Dispersion Force; 5. a., b. and c. Hydrogen Force, Dipole-Dipole Force, and London Dispersion Force.
  • #1
ProblemSets
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here is how i answered
1=a
2=b,c
3=b
4=a,c
5=a,b,c
what do you guys think? please check it up. Thanks!

1. Which force would cause a compound to have the highest boiling point?
a.) Hydrogen Force b.) Dipole-Dipole Force c.) London Dispersion Force

2. PCl3 would form which force?
a.) Hydrogen Force b.) Dipole-Dipole Force c.) London Dispersion Force

3. Which force is caused by the largest differences in electronegativites?
a.) Hydrogen Force b.) Dipole-Dipole Force c.) London Dispersion Force

4. Which force allows rocks to skip the surface of a lake?
a.) Hydrogen Force b.) Dipole-Dipole Force c.) London Dispersion Force

5. Which force would the compound below form?
a.) Hydrogen Force b.) Dipole-Dipole Force c.) London Dispersion Force
 

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  • #2
CH3Cl Answer: 1. c. London Dispersion Force; 2. b. Dipole-Dipole Force; 3. b. Dipole-Dipole Force; 4. c. London Dispersion Force; 5. a., b. and c. Hydrogen Force, Dipole-Dipole Force, and London Dispersion Force.
 
  • #3


1. a) Hydrogen Force
2. b) Dipole-Dipole Force, c) London Dispersion Force
3. b) Dipole-Dipole Force
4. c) London Dispersion Force
5. a) Hydrogen Force, b) Dipole-Dipole Force, c) London Dispersion Force

Overall, your answers are correct! Good job! Just one suggestion - for question 5, it would be more accurate to say that the compound could form all three types of forces, not just one. Keep up the good work!
 

1. What is a dipole-dipole force?

A dipole-dipole force is an intermolecular force that occurs between two polar molecules. It results from the electrostatic attraction between the positive and negative ends of the two molecules, which are called dipoles.

2. How does a dipole-dipole force affect the physical properties of a substance?

A dipole-dipole force can increase the boiling point and surface tension of a substance, as well as decrease its vapor pressure. It also contributes to the solubility of polar molecules in other polar substances.

3. What are some examples of dipole-dipole forces?

Examples of dipole-dipole forces include the attraction between water molecules, the interaction between hydrogen sulfide molecules, and the forces between hydrogen fluoride molecules.

4. How does the strength of a dipole-dipole force vary?

The strength of a dipole-dipole force depends on the magnitude of the dipoles involved, which is determined by the difference in electronegativity between the atoms in the molecule. The larger the difference, the stronger the dipole-dipole force.

5. How can dipole-dipole forces be overcome?

Dipole-dipole forces can be overcome by increasing the temperature of the substance, which increases the kinetic energy of the molecules and weakens the intermolecular forces. They can also be overcome by adding other substances that disrupt the dipole-dipole interactions, such as nonpolar molecules.

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