氯苯乙酮(C8H7OCl)是对呼吸道和皮肤都有强烈刺激性的一类化学毒剂,

氯苯乙酮(C8H7OCl)是对呼吸道和皮肤都有强烈刺激性的一类化学毒剂,它能使人体暂时失去行动能力,故常作为警用控暴剂。已知其分子中苯环上含有乙酮基(—COCH3),则符合上述条件的氯苯乙酮共有(    )

A.二种                    B.三种                  C.四种                  D.五种

答案

B

解析:符合条件的有三种,其中一种:,还包括间位和对位。

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