Q&A

What is the resonance structure for SO3?

What is the resonance structure for SO3?

When you draw the Lewis structure, you first get the three structures at the top. In each of them, S has a formal charge of +2 and two of the O atoms have formal charges of -1. In each of the three structures in the middle, S has a formal charge of +1 and one of the O atoms has a formal charge of -1.

How many resonance structures are possible for the SO3 molecule?

Answer: (SO3)2- has 3 resonance structures, one for each structure that is formed when sulfur makes a double bond with oxygen.

Is SO3 2 a resonance structure?

Change the location of double bond and lone pairs of molecule to draw resonance structures of SO32- ion. Three stable resonance structures can be drawn of SO32- ion.

Is SO3 acidic or basic?

SO3 (Sulfur trioxide) is a Lewis acid mainly because the sulfur atom in SO3 has only three electron regions. The sulfur atom tends to accept an electron pair. Besides, SO3 is also a non-metal oxide which is acidic in nature.

Is O3 a resonance structure?

Is ozone a resonance structure? Ozone, or O3, has two major structures of resonance that contribute equally to the molecule’s overall hybrid structure. All structures reflect the 18 valence electrons required-6 out of 3 bonds and 12 as lone pairs placed on the oxygen atoms.

What is the shape of SO3?

Trigonal planar
SO3

Central atom: S
Total VSEP: 6
3 x double bonds − 3 pairs
Revised Total: 3
Geometry: Trigonal planar

How stable is SO3?

As to why SO3 is stable… Sulfur forms an expanded octet. That means that it doesn’t really obey the octet rule, allowing it to take on extra electrons. Sulfur is a 3rd-period element; hence it can use its 3d orbitals to make more than 4 bonds.

What is the name for SO3 2?

sulfite Sulfite ion Sulphite
Sulfite

PubChem CID 1099
Structure Find Similar Structures
Molecular Formula O3S-2
Synonyms sulfite Sulfite ion Sulphite Sulfite ions 14265-45-3 More…
Molecular Weight 80.07

Is SO3 tetrahedral?

Explanation: For sulfur trioxide we must distribute 3×6=18⋅valence electrons . And thus O=..S(−OH)2 …the central sulfur is sp3−hybridized , and the electron pairs assume a tetrahedral geometry. But molecular geometry is described in terms of ATOMS not electron pairs…and so the geometry around sulfur is pyramidal…

Is Cl2O acidic or basic?

Metal oxides on the left side of the periodic table produce basic solutions in water (e.g. Na2O and MgO). Non-metal oxides on the right side of the periodic table produce acidic solutions (e.g. Cl2O, SO2, P4O10).

Is as2o3 acidic or basic?

Arsenic trioxide is an amphoteric oxide, and its aqueous solutions are weakly acidic. Thus, it dissolves readily in alkaline solutions to give arsenites.

Are there any valid resonance structures for SO3?

There are three resonance structures SO3 (Sulfur trioxide). We start with a valid Lewis structure and then follow these general rules. Note that SO3 is a bit of a tricky one and our theory doesn’t actually match what is seen in the lab. – Resonance forms must be valid Lewis structures. – Maintain the same number of valence electrons.

What are the resonance structures of aryldiazonium ion?

The diazonium ion portion of an aryldiazonium ion has two contributing resonance structures. The more important contributor has Lewis octets at both nitrogen atoms. The second form is electron deficient at the terminal nitrogen atom. The terminal nitrogen atom in the second resonance form is electron deficient.

Is the fourth resonance structure in sulfur noncontributory?

The fourth resonance structure with three S=O bonds is noncontributory due to reasons beyond the scope of MCAT chemistry. Sulfur does not have an expanded octet in SO3, you don’t need to know why. Lol where did you get this question?

What are the formal charges of SO3 structures?

In each of them, S has a formal charge of +2 and two of the O atoms have formal charges of -1. In each of the three structures in the middle, S has a formal charge of +1 and one of the O atoms has a formal charge of -1. In the bottom structure, all atoms have a formal charge of zero.