试题与答案

下列说法正确的是( ) A.活化分子每一次碰撞都能发生反应. B.反应物用量增加

题型:选择题

题目:

下列说法正确的是(  )

A.活化分子每一次碰撞都能发生反应.

B.反应物用量增加有效碰撞次数增多反应速率增大.

C.有能量的分子叫活化分子.

D.当碰撞的分子具有足够能量和合适的取向,才能发生化学反应

答案:

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