1) Br-CH2 - CH=CH - CH2-Br > Br-CH2 - CH2- CH2 - CH2-Br > C6H12
Ni,t
Br-CH2 - CH=CH - CH2-Br + H2 > Br-CH2 - CH2 -CH2 - CH2-Br
Br-CH2 - CH2 -CH2 - CH2-Br + Zn . > C6H12 + ZnCl2
2) Al3C4 ---> CH4 ---> C2H2 ---> C2H4 ---> C2H5OH ---> CH2=CH - CH=CH2 --->
---> Br-CH2 - CHBr- CHBr - CH2-Br
Al4C3 + 12H2O > 3CH4 + 4Al(OH)3
t
2CH4 > C2H2 + 3H2
Pt, t
C2H2 + H2 > C2H4
Kt
C2H4 + H2O > C2H5OH
t
2C2H5OH > CH2=CH - CH=CH2 + 2H2O + H2
CH2=CH - CH=CH2 + 2Br2 > Br-CH2 - CHBr- CHBr - CH2-Br
3)
2) CaC2 + 2H2O > C2H2 + Ca(OH)2
t _
2C2H2 > HC = C - CH = CH3
_
HC = C - CH = CH3 + H2 > CH2=CH - CH=CH2
3) 2C2H5OH > CH2=CH - CH=CH2 + 2H2O + H2
CH2=CH - CH=CH2 + 2HBr > Br-CH2 - CH2- CH2 - CH2-Br
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