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Chapter 6: Q. 6.75 (page 199)

Compare the Lewis structures of CF4and NF3. Why do these molecules have different shapes?

Short Answer

Expert verified

Molecules have different shapes due to different number of bond pair and lone pair.

Step by step solution

01

Given information

We are given that CF4 and NF3molecules have different shapes

02

Simplify

One carbon atom and four fluorine atoms make up the Lewis structure of CF4, with the carbon atom in the centre and the fluorine atoms surrounding it. The Lewis dot structure's central atom contains no lone pairs, but each of the outside atoms has three.
In the Lewis structure of NF3three single bonds bind three fluorine and one nitrogen atoms. There are 10lone pairs and 3bound pairs in the NF3Lewis structure.

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Complete each of the following statements for a molecule ofH2S :
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b. The electron-group geometry is .
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