Problem: Why are the molecules of hydrocarbons nonpolar? a. the electron pair is shared almost equally in all the bonds. b. the intermolecular attractions are strong. c. all the bonds are single covalent bonds. d. van der Waals forces overcome polarity

FREE Expert Solution

We're being asked why are the molecules of hydrocarbons nonpolar.

We will have to calculate the electronegativity difference of the elements forming the bond:

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Electronegativity Difference        

              (ΔEN)                                     Bond Classification
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Zero (0.0)                                          Pure Covalent
Small (0.1 – 0.4)                                Nonpolar Covalent
Intermediate (0.4  – 1.7)                    Polar Covalent
Large (Greater than 1.7)                  Ionic               


Calculate the electronegativity difference and classify each compound: 

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Problem Details

Why are the molecules of hydrocarbons nonpolar? 

a. the electron pair is shared almost equally in all the bonds. 

b. the intermolecular attractions are strong. 

c. all the bonds are single covalent bonds. 

d. van der Waals forces overcome polarity

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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 Molecular Polarity concept. You can view video lessons to learn Molecular Polarity. Or if you need more Molecular Polarity practice, you can also practice Molecular Polarity practice problems.