Răspuns :
CH3-CH2-C≡CH + H2 --Ni--> CH3-CH2-CH2-CH3
butan
Cl Cl
l l
CH3-CH2-C≡CH + 2Cl2 --CCl4--> CH3-CH2-C-CH
l l
Cl Cl
1,1,2,2-tetrabromobutan
Cl
l
CH3-CH2-C≡CH + 2HCl --HgCl--> CH3-CH2-C-CH3
l
Cl
2,2-dibromobutan
CH3-CH2-C≡CH + H2O --HgSO4/H+--> CH3-C-CH2-CH3
ll
O
butanona