试题与答案

已知在某温度时发生如下三个反应: (1)C+CO2="2CO" (2)C+H2O

题型:选择题

题目:

已知在某温度时发生如下三个反应:

(1)C+CO2="2CO"

(2)C+H2O=CO+H2

(3)CO+H2O=CO2+H2

由此可以判断,在该温度下C、CO、CO2的还原性强弱顺序是……( )

A、CO>C>H2     B、C>CO>H2     C、C>H2>CO     D、CO>H2>C

答案:

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