Problem: Rank the following in order of increasing strength of their respective intermolecular forces. Items (3 images) (Drag and drop into the appropriate area) Weakest to Strongest IMFRank the following compounds in order of increasing boiling point (BP).Items (3 images) (Drag and drop into the appropriate area) Lowest to Highest BP

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We’re being asked to rank the given molecules in increasing strength of their intermolecular forces and consequently, we are to rank them in order of increasing boiling points


Recall that there are several types of intermolecular forces (IMF):

1. Ion-dipole interaction – occurs between an ion and a polar covalent compound; strongest IMF

2. Hydrogen bonding – occurs in compounds where hydrogen is directly connected to an electronegative element such as N, O, or F; 2nd strongest IMF

3. Dipole-dipole interaction – occurs between two polar covalent compounds; 3rd strongest IMF

4. Dispersion forces – occurs in all compounds and is the primary IMF exhibited by nonpolar compounds; weakest IMF

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Problem Details

Rank the following in order of increasing strength of their respective intermolecular forces. 

Items (3 images) (Drag and drop into the appropriate area) 

Weakest to Strongest IMF


Rank the following compounds in order of increasing boiling point (BP).

Items (3 images) (Drag and drop into the appropriate area) 

Lowest to Highest BP

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Intermolecular Forces and Physical Properties concept. If you need more Intermolecular Forces and Physical Properties practice, you can also practice Intermolecular Forces and Physical Properties practice problems.

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Based on our data, we think this problem is relevant for Professor Santra's class at UCF.