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Type your question here Why is the rotation about the
carbon-carbon bond in ethylene more difficult than the
rotation about the carbon-carbon bond in ethane?
Solution
The C-C bond in ethylene is a C=C double pond. This double
bond contains a C-C sigma bond and C-C pi bond. Due to the
presence of C-C pi bond, ethylene cannot freely rotate
around its central C=C double bond. However, the C-C bond
in ethane is a C-C sigma bond, which allow the molecule
readily rotates around it.

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Type your question here Why is the rotation about the carbon-carbon bond in ethylene more difficult than the rotation about the carbon-carbon bond in ethane? Solution The C-C bond in ethylene is a C=C double pond. This double bond contains a C-C sigma bond and C-C pi bond. Due to the presence of C-C pi bond, ethylene cannot freely rotate around its central C=C double bond. However, the C -C bond in ethane is a C-C sigma bond, which allow the molecule readily rotates around it. Name: Description: ...
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