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What is the relationship between bond order and resonance structures in a molecule?
The bond order in a molecule is related to the number of resonance structures it has. A higher bond order indicates greater stability and a more accurate representation of the molecule's structure. Resonance structures with higher bond orders contribute more to the overall stability of the molecule.
What are the 5 resonance structures for phenanthrene?
Phenanthrene has a total of five resonance structures due to the movement of pi bonds within its aromatic rings. These resonance structures involve shifting pi electrons around the molecule to create different arrangements of double bonds.
How many valid electron dot formulas having the same number of electron pairs for a molecular or ion can be written when a resonance structure occurs?
There can be multiple valid electron dot structures when resonance occurs, all representing the same molecule or ion. The actual structure is a combination, or hybrid, of these resonance structures.
How many valid electron dot formulas having the same number or electron pairs for a molecule or ion can be written when a resonance structure occurs?
2 or more
Resonance structures - formic acid formic acid can be deprotonated in alkali environments...how do you draw this structure and its resonance structures?
The formic acid structure is expected to be the most stable, with the resonance structure playing only a small role. In the formate anion, the two resonance structures are equally likely. The steric number is three, the molecule probably trigonal planar about the C. The C-O bonds in the acid are different, with one being a double bond and the other a single bond. Those in the formate ion are basically 1.5 bonds, and we expect the C-O bond in the formate ion to be ≈ 1.3 Å, intermediate between a single and a double bond. 37.
Do all resonance contributing structures have the same number of valence electrons?
no
How do you draw three resonance structures for a polyatomic ion?
To draw resonance structures for a polyatomic ion, start by determining the total number of valence electrons available, including those contributed by the ion's charge. Next, sketch a valid Lewis structure that satisfies the octet rule for the atoms, ensuring that the overall charge of the ion is correctly represented. Then, identify any possible shifts of electrons—typically lone pairs or double bonds—to create alternative structures while maintaining the same arrangement of atoms. Finally, ensure that each structure shares the same total number of electrons and charge, as they collectively represent the ion's resonance.
What is the relationship between bond order and resonance structures in a molecule?
The bond order in a molecule is related to the number of resonance structures it has. A higher bond order indicates greater stability and a more accurate representation of the molecule's structure. Resonance structures with higher bond orders contribute more to the overall stability of the molecule.
What are the 5 resonance structures for phenanthrene?
Phenanthrene has a total of five resonance structures due to the movement of pi bonds within its aromatic rings. These resonance structures involve shifting pi electrons around the molecule to create different arrangements of double bonds.
How many valid electron dot formulas having the same number of electron pairs for a molecular or ion can be written when a resonance structure occurs?
There can be multiple valid electron dot structures when resonance occurs, all representing the same molecule or ion. The actual structure is a combination, or hybrid, of these resonance structures.
How many electron dot formulas having the same number of electron pairs for a molecule or ion can be written when a resonance structure occurs?
2 or more
How many valid electron dot formulas having the same number or electron pairs for a molecule or ion can be written when a resonance structure occurs?
2 or more
How many valid electron dot formulas having the same number of electron pairs for a molecule or ion can be written when a resonance structure occurs?
For a molecule or ion exhibiting resonance, multiple valid electron dot formulas can be written with the same number of electron pairs. This is because resonance structures involve shifting electron pairs between different atomic positions while maintaining the same overall number of electrons. The true structure is a hybrid of all possible resonance structures.
What is an isovalent resonance structure?
An isovalent resonance structure is a resonance structure in which the overall number of atoms and the formal charges remain the same. This means that the connectivity of the atoms does not change, but the arrangement of electrons can be depicted differently. Isovalent resonance structures are important in describing the delocalization of electrons in molecules.
When can resonance structures be written for a molecule?
Resonance structures can be written for a molecule when it can be represented by multiple Lewis structures with the same arrangement of atoms but different electron distributions. This usually occurs when a molecule contains delocalized electrons, such as in conjugated systems or molecules with multiple bonds.
Resonance structures - formic acid formic acid can be deprotonated in alkali environments...how do you draw this structure and its resonance structures?
The formic acid structure is expected to be the most stable, with the resonance structure playing only a small role. In the formate anion, the two resonance structures are equally likely. The steric number is three, the molecule probably trigonal planar about the C. The C-O bonds in the acid are different, with one being a double bond and the other a single bond. Those in the formate ion are basically 1.5 bonds, and we expect the C-O bond in the formate ion to be ≈ 1.3 Å, intermediate between a single and a double bond. 37.
What is resonance in organic chemistry?
Resonance structures exist in organic and inorganic chemistry. Resonance structures refers to the ability to create (draw) a molecule in more than one way. However, one structure is usually favored over the other. Most of the time you will see these structures denoted with a (major) or (minor) next to it. This will indicate that the majority of the time that structure will be formed.
