某有机物既能被氧化,又能被还原,且氧化后与还原后的产物能发生

某有机物既能被氧化,又能被还原,且氧化后与还原后的产物能发生酯化反应,所生成的酯又能发生银镜反应,则该有机物是

A.CH3OH     B.HCHO              C.HCOOH     D.CH3CH2CHO

答案

B

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