共价键的断裂有均裂和异裂两种方式,即均裂:A∶B→A·+B·,异裂:A∶B→A++[∶B]-。下列化学反应中发生共价键均裂的是( )
A.2K+2H2O===2KOH+H2↑ |
B.2Na+2C2H5OH―→2C2H5ONa+H2↑ |
C.HCl+NaOH ===" NaCl" + H2O |
D.CH3COOH+C2H5OHH2O+ CH3COOC2H5 |
共价键的断裂有均裂和异裂两种方式,即均裂:A∶B→A·+B·,异裂:A∶B→A++[∶B]-。下列化学反应中发生共价键均裂的是( )
A.2K+2H2O===2KOH+H2↑ |
B.2Na+2C2H5OH―→2C2H5ONa+H2↑ |
C.HCl+NaOH ===" NaCl" + H2O |
D.CH3COOH+C2H5OHH2O+ CH3COOC2H5 |