Problem: Which choice best describes the polarity of ICl 5?a. The molecule is polar and has polar bonds.b. The molecule is nonpolar and has polar bonds.c. The molecule is polar and has nonpolar bonds.d. The molecule is nonpolar and has nonpolar bonds.

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FREE Expert Solution

For this problem, we need to do the following steps:

Step 1: Determine the central atom in this molecule.

Step 2: Calculate the total number of valence electrons present.

Step 3: Draw the Lewis structure for the molecule.

Step 4: Draw dipole arrows for each bond.

Step 5: Determine the polarity of the molecule.


Step 1: Iodine (EN = 2.5) is less electronegative than chlorine (EN = 3) so iodine is the central atom.


Step 2: The total number of valence electrons present in ICl5 is:


            Group             Valence Electrons

I           7A                   1 × 7 e7 e

Cl        7A                   5 × 7 e35 e

Total:  42 valence e


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Problem Details

Which choice best describes the polarity of ICl 5?

a. The molecule is polar and has polar bonds.

b. The molecule is nonpolar and has polar bonds.

c. The molecule is polar and has nonpolar bonds.

d. The molecule is nonpolar and has nonpolar bonds.

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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.

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