Viết phương trình hóa học sau
a) C2H4 + Br2 → ? b) CH3COOH + NaHCO3 → ? + ?
c) C2H5OH + Na → ? + ?
A.a) C2H4 + 2Br2 → C2H4Br4                                                                
b) CH­3COOH + NaHCO3 → CH3COONa + H2O + CO2                
c) C2H5OH + Na → C2H5ONa + H2   
B.a) C2H4 + 2Br2 → C2H4Br4                                                                
b) CH­3COOH + NaHCO3 → CH3COONa + H2O + CO2                
c) C2H5OH + Na → C2H5ONa + H2   
C.a) C2H4 + Br2 → C2H4Br2                                                                
b) CH­3COOH + NaHCO3 → CH3COONa + H2O + CO2                
c) 2C2H5OH + Na → 2C2H5ONa + H2   
D.a) C2H4 + Br2 → C2H4Br2                                                                
b) CH­3COOH + NaHCO3 → CH3COONa + H2O + CO2                
c) C2H5OH + Na → C2H5ONa + H2

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