We need to determine the following for ethane, C2H6:
1. Lewis Structure
2. C atom: Bonding/ Non-bonding electron pairs
3. Bond Angles
4. Polar or Non polar
6. Atomic Geometry
7. Molecular Shape
We need to draw the Lewis Structure first, to determine the bonding/non bonding pairs and groups surrounding the central element in ethane. This will also be useful in finding its bond angles, hybridization, atomic geometry and molecular shape.
1. Let's start with the Lewis structure for ethane, C2H6. We first need to determine the total number of valence electrons present in the molecule:
Group Valence Electrons
C 4A 2 × 4 e– = 8 e–
H 1A 6 × 1 e– = 6 e–
Total: 14 valence e–
Lewis Structure 3-D Structure
C atom: Bonding / Non-bonding e- pairs _____ Hybridization _____
Electron Geometry _____ Atomic Geometry _____
Bond Angles _____ Molecular Shape _____
Polar or Nonpolar _____
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Molecular vs Electron Geometry concept. You can view video lessons to learn Molecular vs Electron Geometry. Or if you need more Molecular vs Electron Geometry practice, you can also practice Molecular vs Electron Geometry practice problems.
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Based on our data, we think this problem is relevant for Professor Robinson's class at UW-SEATTLE.