Question
Asked Oct 15, 2019
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Draw the LEWIS structure, identify the dipoles in the molecule (if any), and determine if a molecule is water soluble or water insoluble.

a. H2O

b. SbF6-

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Expert Answer

Step 1

The Lewis structure or molecular skeleton is also known as electron dot structure. It is the complete representation of a molecule which shows all bonded atoms with their chemical bonds and lone pairs if any present on them. In Lewis structures, all atoms are represented by their atomic symbols and chemical bonds by lines. The lone pairs or extra electrons on atoms must be represented as cross or dots.

Step 2

To draw the Lewis structure or molecular skeleton, count total number of valence electrons and arrange them in such a way that all bonded atoms get octet In the Lewis structure of H2O :

Number of valence electrons:

H atom = 1 electron

O atom = 6 electron

 Total number of electrons in H2O = (2x 1 )+ 6 = 8 electrons

Step 3

Hence the molecular skeleton of H2O will be:

Since it has bent...

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Chemical bonding

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