4. What is the general formula for alkenes?
CnH2n
5. Describe and explain the trend in boiling point
Boiling point goes up as the chain gets longer because more intermolecular force is needed to break.
6. Explain why there is no such compound as methene
Because Methane only has one carbon so it can't form a double bond.
7. How do you quickly identify from the displayed formula that the hydrocarbon is unsaturated?
Because there is double bond in the carbon so it is unsaturated.
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