Electronic Geometry of Lead(II) Chromate

In summary, the conversation discusses the problem of determining the number of valence electrons in Chromium and Lead, with the hope that Chromium has 6 valence electrons. They also consider the compound to be ionic in nature and discuss the transfer of electrons between chromate and lead ions.
  • #1
The_ArtofScience
83
0
I was wondering if anyone can solve this odd problem. Chromium is known to vary in the number of valence electrons and in this case, I would hope it has 6. Lead has 4 and oxygen 6. If you were to draw its Lewis dot structure with Chromium in the middle you would leave out Pb without any filled electrons which is to say, it's left with only a stick figure representing 2 electrons.


How does one go about in solving this problem?
 
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  • #2
Shouldn't Lead(II) have 6 valence electrons since that is what gives it the +2 charge?
I'm not quite sure though, maybe someone who knows more can confirm that.
 
  • #3
This compound is ionic in nature.
 
  • #4
Then that would just mean a transfer of 2 electrons from the chromate ion to the lead ion.

Wow. My Chemistry is pretty rusty after a year of not doing it.
 

1. What is the electronic geometry of Lead(II) Chromate?

The electronic geometry of Lead(II) Chromate is octahedral. This means that the central lead atom is surrounded by six other atoms or groups of atoms, forming a symmetrical octahedral shape.

2. How many valence electrons does Lead(II) Chromate have?

Lead(II) Chromate has a total of 28 valence electrons. The lead atom contributes 2 electrons, while each oxygen atom contributes 6 electrons, and each chromium atom contributes 8 electrons. These 28 valence electrons are responsible for the electronic geometry of this compound.

3. What is the molecular formula for Lead(II) Chromate?

The molecular formula for Lead(II) Chromate is PbCrO4. This indicates that there is one lead atom, one chromium atom, and four oxygen atoms in each molecule of Lead(II) Chromate.

4. What is the hybridization of the lead atom in Lead(II) Chromate?

The lead atom in Lead(II) Chromate is sp3d2 hybridized. This means that the lead atom's 6 valence electrons are distributed among 5 hybrid orbitals, with one lone pair of electrons and 5 bonds to the other atoms in the compound.

5. What is the chemical structure of Lead(II) Chromate?

The chemical structure of Lead(II) Chromate is a tetrahedral arrangement of one lead atom, one chromium atom, and four oxygen atoms. The lead atom is in the center, with 4 oxygen atoms attached to it, and the chromium atom is attached to one of the oxygen atoms.

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