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【单选题】
两个都是一级的平行反应(1)A → B,速率常数为k1,(2) A → D速率常数为k2,假设反应开始时产物的浓度为零。下列结论不正确的是( )
A.
k 表观 =k 1 +k 2
B.
k 1 /k 2 =c B /c D
C.
E 表观 =E a,1 +E a,2
D.
t 1/2 =ln2/k 1 +k 2
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