Drag and drop a marker over every atom in the ring that will have a partial positive charge due to resonance with the nitro group. Make sure the marker is over the carbon, not the delta + sign. O-N* o=2
Electronic Effects
The effect of electrons that are located in the chemical bonds within the atoms of the molecule is termed an electronic effect. The electronic effect is also explained as the effect through which the reactivity of the compound in one portion is controlled by the electron repulsion or attraction producing in another portion of the molecule.
Drawing Resonance Forms
In organic chemistry, resonance may be a mental exercise that illustrates the delocalization of electrons inside molecules within the valence bond theory of octet bonding. It entails creating several Lewis structures that, when combined, reflect the molecule's entire electronic structure. One Lewis diagram cannot explain the bonding (lone pair, double bond, octet) elaborately. A hybrid describes a combination of possible resonance structures that represents the entire delocalization of electrons within the molecule.
Using Molecular Structure To Predict Equilibrium
Equilibrium does not always imply an equal presence of reactants and products. This signifies that the reaction reaches a point when reactant and product quantities remain constant as the rate of forward and backward reaction is the same. Molecular structures of various compounds can help in predicting equilibrium.
![**Exercise: Identifying Partial Positive Charges in a Nitropyridine Molecule**
**Instructions:**
Drag and drop a marker over every atom in the ring that will have a partial positive charge due to resonance with the nitro group. Make sure the marker is over the carbon, not the delta plus (δ+) sign.
**Diagram Description:**
The depicted molecule in this exercise is a nitropyridine. It consists of a pyridine ring, which is a six-membered ring containing five carbon atoms and one nitrogen atom. Attached to the ring at the nitrogen position (at the top of the ring) is a nitro group (NO₂). The nitro group is drawn with a nitrogen (N) atom connected to the ring through a single bond. The nitrogen atom in the nitro group is double-bonded to one oxygen (O) atom and single-bonded to another oxygen atom that carries a negative charge (-). The nitrogen in the nitro group carries a positive charge (N⁺).
Consider the resonance effect induced by the nitro group as you identify the atoms with partial positive charges in the ring.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd556e803-222c-475e-bc6a-44d8250d1cd2%2F71d7bf4c-4672-4a92-bcd1-4347cda7331a%2Fnb8cn5_processed.png&w=3840&q=75)
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