Question
Hi.
Is PO4(3-) polar or non-polar?
Why or why not?
Thanks!
Look up the electronegativity of P and O. I think I remember that O is about 3.5 and P is about 2.1; therefore, each P-O bond is somewhat polar. Thus, the ion will be polar unless the Lewis structure (electron dot structure) is symmetrical. Do you know how to determine that?
1 P = 5 electrons
4 O = 4 x 6e each = 24 electrons
-charge = 3e
Total = 5 + 24 + 3 = 32 electrons.
We have 5 atoms and the octet rules means we need 40 electrons (5 x 8 = 40); thus, 32 electrons must do the job of 40.
P is the central atom. Place 4 O around it at 90 degrees; i.e., top, right side, bottom, left side. 32 electrons will allow each atom to have eight. Its hard to draw on the computer but here goes.
   :O:
<b>:O:P:O:
   :O:
Now place .. above and below each O and that will use 32 electrons.</b> This means we have a tetrahedral structure. That is symmetrical; therefore, the PO4<sup>-3</sup> is not polar.
Is PO4(3-) polar or non-polar?
Why or why not?
Thanks!
Look up the electronegativity of P and O. I think I remember that O is about 3.5 and P is about 2.1; therefore, each P-O bond is somewhat polar. Thus, the ion will be polar unless the Lewis structure (electron dot structure) is symmetrical. Do you know how to determine that?
1 P = 5 electrons
4 O = 4 x 6e each = 24 electrons
-charge = 3e
Total = 5 + 24 + 3 = 32 electrons.
We have 5 atoms and the octet rules means we need 40 electrons (5 x 8 = 40); thus, 32 electrons must do the job of 40.
P is the central atom. Place 4 O around it at 90 degrees; i.e., top, right side, bottom, left side. 32 electrons will allow each atom to have eight. Its hard to draw on the computer but here goes.
   :O:
<b>:O:P:O:
   :O:
Now place .. above and below each O and that will use 32 electrons.</b> This means we have a tetrahedral structure. That is symmetrical; therefore, the PO4<sup>-3</sup> is not polar.
Answers
faisal
it is polar
kayla
nonpolar according to mastering chem
Valerie
It is non polar because of the symmetry in its geometry.
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BigManJoe
non polar i hope im not late
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DrBob222
The phosphate ion is non-polar due to its symmetry.
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CaptainBird96
nonpolar due to the convergence of the vectorial arrows when analyzing the VSEPR molecular geometry
Meshacky
It is non polar due to absence of lone pair on the central atom, since it is among of differ btn it and polar.
Meshacky
It is non polar due to absence of lone pair on the central atom since,is the among of the differ btn it and polar.