a)
2C2H5OH+ 2Na=× 2C2H5ONa + H2
2CH3COOH + 2Na=× 2CH3COONa + H2
b)
C2H4 + Br2=× C2H4Br2
Fe, t
C6H6 + Br2 = × C6H5Br+ HBr
c)
2CH3COOH+ Na2CO3=× 2CH3COONa+H2O+CO2
a) Na
C2H5OH + Na --> C2H5ONa + 1/2H2
CH3COOH + Na --> CH3COONa + 1/2H2
b) Br2
C2H4 + Br2 --> C2H4Br2
C6H6 + Br2 -Fe,to-> C6H5Br + HBr
c) Na2CO3
2CH3COOH + Na2CO3 --> 2CH3COONa + CO2 + H2O
a/
2C2H5OH+ 2Na\(\rightarrow\) 2C2H5ONa+ H2\(\uparrow\)
2CH3COOH+ 2Na\(\rightarrow\) 2CH3COONa+ H2\(\uparrow\)
b/
C2H4+ Br2\(\rightarrow\) C2H4Br2
c/
Na2CO3+ 2CH3COOH\(\rightarrow\) 2CH3COONa+ CO2\(\uparrow\)+ H2O