取a g某物质在氧气中完全燃烧,将其产物跟足量的过氧化钠固体完全

取a g某物质在氧气中完全燃烧,将其产物跟足量的过氧化钠固体完全反应,反应后固体的质量恰好也增加了a g。下列物质中不能满足上述结果的是           

A.H2        B.CO        C.C12H22O11         D.HCHO

答案

C


解析:

可作如下理解:Na2O2+H2=2NaOH,Na2O2+CO=Na2CO3,CH2O可理解为CO·H2,而C12H22O11可理解为C·11CO·11H2O。

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