Problem: Draw the Lewis structures for TeCl 4, ICl5, PCl5, KrCl4, and XeCl2. Which of the compounds exhibit at least one bond angle that is approximately 120 degrees? Which of the compounds exhibit d 2sp3 hybridization? Which of the compounds have a square planar molecular structure? Which of the compounds are polar?

🤓 Based on our data, we think this question is relevant for Professor Alivio's class at Nicholls State University.

FREE Expert Solution
FREE Expert Solution

Electron region, geometry and bond angles can be summarized as:

Electron Regions             Electronic Geometry          Bond Angles

2                                      linear                                    180˚

3                                      trigonal planar                      120˚

4                                      tetrahedral                            109.5˚

5                                      trigonal bipyramidal              90˚, 120˚, and 180˚

6                                      octahedral                            90˚ and 180˚


For TeCl4:

(1) Te → less electronegative than Cl → central atom

(2) Total of valence electrons

            Group             Valence Electrons

Te        6A                   1 × 6 e = 6 e

Cl        7A                   4 × 7 e = 28 e

Total:  34 valence e


(3) Structure will appear as:

For ICl5:

(1) I → less electronegative than Cl → central atom

(2) Total of valence electrons

            Group             Valence Electrons

I           7A                   1 × 7 e = 7 e

Cl        7A                   5 × 7 e = 35 e

Total:  42 valence e


(3) Structure will appear as:

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Problem Details

Draw the Lewis structures for TeCl 4, ICl5, PCl5, KrCl4, and XeCl2

Which of the compounds exhibit at least one bond angle that is approximately 120 degrees? 

Which of the compounds exhibit d 2sp3 hybridization? 

Which of the compounds have a square planar molecular structure? 

Which of the compounds are polar?

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Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl 2nd Edition practice problems.