C 6 H 5 OCH 3 (I) , C 6 H 5 COCH 3 (II) , C 6 H 6 (III) , C 6 H 5 Cl(IV) 四种化合物硝化反应速率次序为:
A.
I>III>II
B.
I>III>IV
C.
IV>I>II
D.
I>IV>III
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