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.
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**Question 37 of 48**
### The molecule shown here is classified as what type of organic compound?
#### Image Description:
The image contains a structural diagram of a molecule. The molecular structure features the following components:
- A double bond (C=C) in the center of the structure.
- Two ethyl groups (-CH₂CH₃) attached to each carbon of the double bond.
- Two methyl groups (-CH₃) attached to each of the same carbons.
#### Multiple Choice Options:
A) Alkane
B) Alkene
C) Alkyne
D) Aromatic compound
E) Aldehyde
**Answer Explanation:**
To answer this question, we must determine the type of organic compound based on the molecular structure. The key characteristics of the provided molecule are the presence of a carbon-carbon double bond (C=C), coupled with different alkyl groups attached to it.
- **Alkane (Option A)**: This type of compound contains only single bonds between carbon atoms.
- **Alkene (Option B)**: This type of compound contains one or more carbon-carbon double bonds.
- **Alkyne (Option C)**: This type of compound contains one or more carbon-carbon triple bonds.
- **Aromatic compound (Option D)**: This type of compound contains conjugated pi electron systems in a ring structure (e.g., benzene).
- **Aldehyde (Option E)**: This type of compound contains a carbonyl group (C=O) bonded to at least one hydrogen atom.
Given that the provided molecular structure contains a carbon-carbon double bond (C=C), but neither triple bonds, conjugated ring systems, nor carbonyl groups, it’s correctly classified as an **Alkene**.
**Answer: B) Alkene**
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