Question

1.Осуществить превращение:

CH4->CH3Br->C2H6->C2H4->C2H2->C6H6

Answer 1

CH4+Br2=CH3-Br+HBr
CH3-Br +2Na+Br-CH3  =  CH3-CH3+2NaBr
CH3-CH3  =   CH2=CH2 + H2
CH2=CH2  =  CH=_CH + H2
3CH=-CH  =  C6H6

Answer 2

C2H4->C2H5Cl