Specify the class of organic compounds to which alkenes are isomers

Isomers are substances that have one common chemical formula, but a different structure. Alkanes have the general chemical formula CnH2n + 2. Alkadienes obey the formula CnH2n-2. The correct answer is (2) and (3): cycloalkanes and alkenes have the general chemical formula CnH2n.



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