摘要:2].共价键的断裂有均裂和异裂两种方式.即:A∶B→A·+B·.均裂:A∶B→A++[∶B]-.异裂.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 Na2CO3+H2ONaHCO3+NaOH D CH3COOH+C2H5OHH2O+CH3COOC2H5

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