CH≡CH + H2→
CH≡CH + 2H2→
CH2 = CH2 + O2→
CH≡CH + Br2→
CH≡CH + 2Br2→
CH≡CH + H2→
CH2 = CH2 + H2→
CH≡CH + Cl2 →
CH3 - CH3 + Cl2→

C2H2+H2=C2H4
C2H2+2H2=C2H6
C2H4+3O2=2CO2+2H2O
C2H2+Br2=C2H2Br2
C2H2+2BR2=C2H2Br4
C2H2+H2=C2H4
C2H4+H2=C2H6
C2H2+Cl2=C2H2CL2
CH3-CH3+Cl2=C2H5Cl+HCL