The twelve hydrogens of cyclohexane are all on equivalent carbons. Replacement of any one of the twelve will lead to the same product, chlorocyclohexane. Hexane, however, has hydrogens in different positions: on carbon-1( , carbon-2?
3\deg two , and carbon-3( . Monochlorination of hexane will produce a mixture of all possible isomers: 1-, 2-, and 3-chlorohexane. three four equivalent to carbon-4 equivalent to carbon-5
