NO和CO都是汽车尾气中的物质,它们能很缓慢地反应生成N2和CO2,对此

NO和CO都是汽车尾气中的物质,它们能很缓慢地反应生成N2和CO2,对此反应的有关叙述不正确的是(    )

A.降低压强能加快反应速率                   B.使用适当催化剂可以加快反应速率

C.升高温度能加快反应速率                   D.改变压强对反应速率没有影响

答案

AD


解析:

化学反应式应为2NO+2CO2CO2+N2,由气相反应特点判断,改变压强、温度和催化剂对反应速率都有影响。但不可同后面的平衡问题混在一块。

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