CH3-CH3---(400C, Ni)-->CH2=CH2+H2
CH2=CH2+HCl-->CH3-CH2Cl
2CH3-CH2Cl+ 2NA = CH3-CH2-CH2-CH3 + 2NACL
CH3-CH=CH-CH3--(400C, Ni)-->CH3-CH=CH-CH3+H2
CH3-CH=CH-CH3 +Cl2-->CH3-CHCl-CHCl-CH3+H2
CH3-CH3---(400C, Ni)-->CH2=CH2+H2
CH2=CH2+HCl-->CH3-CH2Cl
2CH3-CH2Cl+ 2NA = CH3-CH2-CH2-CH3 + 2NACL
CH3-CH=CH-CH3--(400C, Ni)-->CH3-CH=CH-CH3+H2
CH3-CH=CH-CH3 +Cl2-->CH3-CHCl-CHCl-CH3+H2