Problem: Identify the molecules with polar bonds and the polar molecules.a. CCl4 b. CH3Clc. H2Od. CO2e. O2

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FREE Expert Solution

a. CBr4

  • Carbon (EN = 2.5) → carbon is the central atom
  • Chlorine (EN = 3.0) 


          Group           Valence Electrons

C         4A                   1 × 4 e4 e

Cl        7A                   4 × 7 e28 e

       Total:  32 valence e


  • Carbon prefers to form 4 bonds
  • Halogens, when not the central atom, form only 1 bond
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Problem Details

Identify the molecules with polar bonds and the polar molecules.

a. CCl4 
b. CH3Cl
c. H2O
d. CO2
e. O2

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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.

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