Объяснение:
1)а,б,в
2)а)CH3(OH)CH2CH2CH3
б)CH2(OH)(CH2)3CH3
в)CH2(OH)CH(CH3)CH3
3) a)CH3CH2OH+HBr=CH3CH2Br+H2O
в) CH3CH2OH+Mg=CH3CH3OMg+H2
г)C2H5OH+CH3COOH=C2H5-O-CH3+H2O
4)C3H8+HCl=CH3CH2CH2Cl +H2
CH3CH2CH2CL+KOH(спирт)=CH3-CH2=CH2+ KCl
CH3-CH2=CH2+HCl=CH3CH(Cl)CH3 +H2
CH3CH(Cl)CH3+KOH=CH3CH(OH)CH3+KCl.