某有机物在氧气中充分燃烧,生成的CO2和H2O的物质的量之比为1:2,则

某有机物在氧气中充分燃烧,生成的CO2H2O的物质的量之比为1:2,则下列说法正确的是
  A
分子中CHO个数之比为1:2:3     B分子中CH个数之比为1:4
  C
分子中一定含有氧原子              D此有机物的实验式为CH4

答案

B

 

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