The best Lewis structure for sulfate is shown here. There are several other equivalent resonance forms of this Lewis structure. Choose from the following, all of the correct details of sulfate. :0: [I] -0: :0: :8: formal charges: all of the atoms are 0 formal charges: sulfur and two oxygen atoms are 0, the other two oxygens are each -1 formal charges: sulfur is 0 and the oxygen atoms are each -0.75 because 4*(-0.75)=-3 bond angle: all are 90 degrees because there are 4 groups around sulfur bond angle: all are -109.5 degrees because there are 4 groups around sulfur bond angle: both 90 and 120 degrees because there are 5 bonds to sulfur geometry: tetrahedral geometry: square planar geometry: see saw SO bond order: the single bonds are 1 and the double bonds are 2 SO bond order: all four bonds are 1.5 SO bond order: half of the time each bond is one and the other half of the time each bond is 2 -2
Formal Charges
Formal charges have an important role in organic chemistry since this concept helps us to know whether an atom in a molecule is neutral/bears a positive or negative charge. Even if some molecules are neutral, the atoms within that molecule need not be neutral atoms.
Polarity Of Water
In simple chemical terms, polarity refers to the separation of charges in a chemical species leading into formation of two polar ends which are positively charged end and negatively charged end. Polarity in any molecule occurs due to the differences in the electronegativities of the bonded atoms. Water, as we all know has two hydrogen atoms bonded to an oxygen atom. As oxygen is more electronegative than hydrogen thus, there exists polarity in the bonds which is why water is known as a polar solvent.
Valence Bond Theory Vbt
Valence bond theory (VBT) in simple terms explains how individual atomic orbitals with an unpaired electron each, come close to each other and overlap to form a molecular orbital giving a covalent bond. It gives a quantum mechanical approach to the formation of covalent bonds with the help of wavefunctions using attractive and repulsive energies when two atoms are brought from infinity to their internuclear distance.
![Question 20
The best Lewis structure for sulfate is shown here. There are
several other equivalent resonance forms of this Lewis
structure. Choose from the following, all of the correct details of
sulfate.
:0:
:0:
formal charges: all of the atoms are 0
formal charges: sulfur and two oxygen atoms are 0, the other two oxygens are each -1
formal charges: sulfur is O and the oxygen atoms are each -0.75 because 4*(-0.75)=-3
bond angle: all are 90 degrees because there are 4 groups around sulfur
bond angle: all are -109.5 degrees because there are 4 groups around sulfur
bond angle: both 90 and 120 degrees because there are 5 bonds to sulfur
geometry: tetrahedral
geometry: square planar
geometry: see saw
SO bond order: the single bonds are 1 and the double bonds are 2
SO bond order: all four bonds are 1.5
SO bond order: half of the time each bond is one and the other half of the time each bond is 2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fad4029fa-1440-42e8-a95a-1d443c168e51%2F708d6366-2362-4f86-8b83-48fe2b01403a%2Fsg5uq0j_processed.png&w=3840&q=75)
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