题目内容

当反应 A2 + B2 = 2B 的速率方程为 υ=k [A2][2] 时,可以得出结论:此反应

A. 一定是基元反应
B. 一定是非基元反应
C. 无法肯定是否为基元反应
D. 对A来说是零级反应

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