在下列各速度方程式所描述的反應(yīng)中,哪一個無法定義其反應(yīng)級數(shù)()
A.A B.B C.C D.D
A.一級反應(yīng) B.二級反應(yīng) C.分數(shù)級反應(yīng) D.零級反應(yīng)
A.216min B.15min C.30min D.1.08min