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Problem 2 - Entrance Test

The general formula for alkenes is:

Correct: B

Alkenes are unsaturated hydrocarbons containing at least one carbon-carbon double bond. Their general molecular formula is CnH2n, where 'n' is the number of carbon atoms. CnH2n+2 is for alkanes, CnH2n-2 is for alkynes, and CnH2n+1OH is for alcohols.