1) CaC2 + 2H2O> Ca(OH)2 + C2H2C2H2+ H2> C2H4C2H4 +Cl2> C2H4Cl2 2) C2H5Br + 2Na + C2H5Br> C4H10 + 2NaBrC4H10> C4H8 + H2CH2=CH-CH2-CH3 > CH2=CH-CH=CH2 + H2CH2=CH=CH-CH2 + Cl2> CH2Cl-CH=CH-CH2Cl
1) CaC2 + 2H2O> Ca(OH)2 + C2H2
C2H2+ H2> C2H4
C2H4 +Cl2> C2H4Cl2
2) C2H5Br + 2Na + C2H5Br> C4H10 + 2NaBr
C4H10> C4H8 + H2
CH2=CH-CH2-CH3 > CH2=CH-CH=CH2 + H2
CH2=CH=CH-CH2 + Cl2> CH2Cl-CH=CH-CH2Cl