1)CH3-CH2-OH(H2SO4) =CH3-CH=CH2+H2O

CH3-CH=CH2+HBr=CH3-CHBr-CH3

2CH3-CHBr-CH3+2Na=(CH3)2-CH-CH-(CH3)2-1-ЫЙ ИЗОМЕР(2,3-ДИМЕТИЛБУТАН)

2)CH3-CH2-CH2OH+HBr=CH3-CH2-CH2Br+H2O

2CH3-CH2-CH2Br+2Na=CH3-(CH2)4-CH3+2NaBr

                                               2-ОЙ ИЗОМЕР(Н-ГЕКСАН).

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