Aliphatic hydrocarbons questions | form five Chemistry

Use the following chemical structures of ethane and ethene molecules to answer the questions that follow.

1. What are the hybridizations of carbon atoms in each compound?
2. Use well labeled diagrams to describe types of C-C bonds in each compound.
3. In ethane molecule, each C-H has a bond length of 1.09 and C-C has bond length of 1.54 . Briefly explain this observation.
4. The C-C double bond in ethene (bond length 1.34 ) is shorter than C-C single bond in ethane (bond length 1.54 ). Briefly explain this observation.

Answer / Solution

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