Problem: Of the following molecules, only ________ is polar.a) Cl2b) CBr4c) BeCl2d) SiH2Cl2e) BF3

FREE Expert Solution

To determine which molecule is polar



  • Recall that when a central atom is surrounded by the same element and doesn’t have any lone pairs, the molecule is nonpolar.


a) Cl2

  • Bonded to same element → nonpolar

b) CBr4

  • C — Br → ΔEN =  0.3 → nonpolar bond 
  • Total valence electrons:
  •            Group             Valence Electrons

    C         4A                   1 × 4 e4 e

    Br        7A                   4 × 7 e28 e

    Total:  32 valence e

  • Lewis Structure:  


  • C  4 bonds → bonded to same atom, no lone pairs 
    • nonpolar
96% (148 ratings)
View Complete Written Solution
Problem Details

Of the following molecules, only ________ is polar.

a) Cl2

b) CBr4

c) BeCl2

d) SiH2Cl2

e) BF3

Frequently Asked Questions

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.

What professor is this problem relevant for?

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