QQuestionBiochemistry
QuestionBiochemistry
Determine the molecular geometry about each interior atom and make a sketch for C^2H^4 (skeletal structure: H^2CCH2).
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Answer
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Step 1: Determine the electron geometry around the central carbon atom in C^2H^4.
The central carbon atom in C^2H^4 has 4 regions of electron density (2 bonds to other carbon atoms and 2 bonds to hydrogen atoms). The electron geometry is therefore tetrahedral.
Step 2: Determine the molecular geometry about the central atom in C^2H^4.
In C^2H^4, there are 2 bonding pairs and 2 lone pairs of electrons around the central carbon atom. The molecular geometry is determined by the arrangement of these electron pairs. In this case, the molecular geometry is bent or angular.
Final Answer
The molecular geometry about the central carbon atom in C^2H^4 is bent or angular, with a tetrahedral electron geometry. The molecular geometry about the hydrogen atoms is linear. The sketch of the molecule is a planar, symmetrical structure with a tetrahedral shape around the central carbon atom and linear geometry around each hydrogen atom.
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