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（ 16分）Heck反应是合成C-C键的有效方法之一，如反应①： I                Ⅱ                     Ⅲ 化合物Ⅱ可由以下合成路线获得： （1） 化合物Ⅲ的分子式为________，1 mol化合物Ⅲ完全燃烧最少需要消耗______mol O 2 。 （2）化合物IV分子结构中不含甲基，写出化合物IV的结构：______________，并写出由化合物IV反应生成化合物V的化学方程式___________________________。 （3）有关化合物Ⅱ说法正确的是_______________。 A．1 mol 化合物Ⅱ最多可与2 mol H 2 发生加成反应 B．化合物Ⅱ能使酸性高锰酸钾溶液褪色 C．化合物Ⅱ难溶于水 D．化合物Ⅱ分子间聚合，反应生成的高聚物结构为 （4） 化合物Ⅲ的一种同分异构体VI，苯环上的一氯取代物只有一种，VI能发生反应，其核磁共振氢谱共有三组峰，峰面积之比为1:2:2，VI的结构为_____________。 （5） 和 也可以发生类似反应①的反应，有机产物的结构_______________，①的反应类型为_____________。
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