下列关于反应限度的叙述不正确的是A.反应限度是一种平衡状态,

下列关于反应限度的叙述不正确的是

A.反应限度是一种平衡状态,此时反应已经停止

B.达到平衡状态时,正反应速率和逆反应速率相等

C.达到平衡状态时,反应物和生成物浓度都不再改变

D.不少反应都具有可逆性,只是有的程度小,有得程度大

 

答案

A

解析:

 

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