下列反应中,不属于四种基本反应类型,也不属于氧化还原反应的是

下列反应中,不属于四种基本反应类型,也不属于氧化还原反应的是

A2Na + 2H2O = 2NaOH + H2↑    

BCO2 + Ca(OH)2 = CaCO3 + H2O

C2H2O2  = 2H2O + O2↑      

DCaCO3+2HCl = CaCl2+H2O+CO2

答案

【答案】B

【解析】四种基本反应关系和氧化还原反应的关系是:置换反应一定是氧化还原反应,复分解反应反应一定不是氧化还原反应,化合反应和分解反应有些是氧化还原反应。在中学阶段,典型的不属于四种基本反应类型的三个反应就是:酸性氧化物与可溶性碱的反应;有机物的燃烧反应,CO还原金属氧化物。

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