What is the molecular geometry of dichloroethane?

In summary, molecular geometry refers to the 3-dimensional arrangement of atoms in a molecule, and is determined by the arrangement of electron pairs and the number of bonding and nonbonding electron pairs. It is important because it influences a molecule's physical and chemical properties. The VSEPR theory can be used to predict molecular geometry by considering repulsion between electron pairs. The most common types of molecular geometry include linear, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral.
  • #1
wrkinhard
4
0
I can't figure out the molecular geometry for C2H4Cl2 (dichloroethane). The e- pair geometry seems to be tetrahedral, but I'm not sure for molecular. Any help?
 
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  • #2
To a first order approximation, would the geometry not resemble C2H6 ? What is the kind of hybridization present in ethane ?
 
  • #3
The geometry is that of two tetrahedrons joined at one point, same as ethane, where two of the hydrogens are replaced by two chlorines.
 

1. What is molecular geometry?

Molecular geometry is the 3-dimensional arrangement of atoms in a molecule.

2. How is molecular geometry determined?

Molecular geometry is determined by the arrangement of electron pairs around the central atom, as well as the number of bonding and nonbonding electron pairs.

3. Why is molecular geometry important?

Molecular geometry plays a crucial role in determining a molecule's physical and chemical properties, such as polarity, reactivity, and biological activity.

4. How can I predict the molecular geometry of a molecule?

The molecular geometry can be predicted using the VSEPR (Valence Shell Electron Pair Repulsion) theory, which states that electron pairs in the valence shell of an atom will repel each other in order to minimize energy and achieve a stable arrangement.

5. What are the different types of molecular geometry?

The most common types of molecular geometry include linear, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral. These are determined by the number of electron pairs and the arrangement of atoms around the central atom.

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