[化学---选修5:有机化学基础]有机物A为芳香烃类化合物,质谱分析表明其相对分子质量为104,分子中含有碳

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\u6709\u673a\u7269A\u4e3a\u82b3\u9999\u70c3\u7c7b\u5316\u5408\u7269\uff0c\u5176\u76f8\u5bf9\u5206\u5b50\u8d28\u91cf\u4e3a104\uff0c\u5206\u5b50\u4e2dC\u539f\u5b50\u6700\u5927\u6570\u4e3a 104 12 =8\u20268\uff0c\u6545\u6709\u673a\u7269A\u7684\u5206\u5b50\u5f0f\u4e3aC 8 H 8 \uff0c\u4e0d\u9971\u548c\u5ea6\u4e3a5\uff0c\u5206\u5b50\u4e2d\u542b\u6709\u78b3\u78b3\u53cc\u952e\uff0c\u6545A\u4e3a \uff0cA\u53d1\u751f\u52a0\u805a\u53cd\u5e94\u751f\u6210\u9ad8\u5206\u5b50\u5316\u5408\u7269\u805a\u82ef\u4e59\u70ef\uff0c\u6545G\u7684\u7ed3\u6784\u4e3a \uff0eD\u80fd\u4e0e\u6c22\u6c14\u53d1\u751f\u52a0\u6210\u53cd\u5e94\uff0c\u80fd\u53d1\u751f\u94f6\u955c\u53cd\u5e94\uff0c\u7ed3\u6784A\u7684\u7ed3\u6784\u53ef\u77e5\uff0cD\u4e3a \uff0cE\u4e3a \uff0cC\u4e3a \uff0cC\u4e0eHBr\u9178\uff0c\u53d1\u751f\u53d6\u4ee3\u53cd\u5e94\u751f\u6210B\uff0c\u6545B\u4e3a \uff0cB\u53d1\u751f\u6d88\u53bb\u53cd\u5e94\u751f\u6210A\uff0eF\u4e3a\u6709\u9999\u5473\u7684\u6709\u673a\u5316\u5408\u7269\uff0c\u6545F\u4e3a\u82ef\u4e59\u9178\u82ef\u4e59\u916f\uff0c\uff081\uff09\u7531\u4e0a\u8ff0\u5206\u6790\u53ef\u77e5\uff0cD\u4e3a \uff0c\u6240\u542b\u5b98\u80fd\u56e2\u4e3a-CHO\uff0c\u6545\u7b54\u6848\u4e3a\uff1a-CHO\uff1b\uff082\uff09\u53cd\u5e94\u2161\u662f HBr\u9178\u53d1\u751f\u53d6\u4ee3\u53cd\u5e94\u751f\u6210 \uff0c\u7531\u4e0a\u8ff0\u5206\u6790\u53ef\u77e5G\u7684\u7ed3\u6784\u7b80\u5f0f\u4e3a \uff0c\u6545\u7b54\u6848\u4e3a\uff1a-CHO\uff1b \uff1b\uff083\uff09\u53cd\u5e94I\u65b9\u7a0b\u5f0f\u4e3a\uff1a +KOH \u9187 \u25b3 +KBr+H 2 O\uff0c\u53cd\u5e94V\u65b9\u7a0b\u5f0f\u4e3a + \u6d53\u786b\u9178 \u25b3 +H 2 O\uff0c\u6545\u7b54\u6848\u4e3a\uff1a +KOH \u9187 \u25b3 +KBr+H 2 O\uff1b + \u6d53\u786b\u9178 \u25b3 +H 2 O\uff1b\uff084\uff09\u82e5 \u5206\u5b50\u4e2d\u7684\u4e00\u4e2aH\u539f\u5b50\u5728\u4e00\u5b9a\u6761\u4ef6\u4e0b\u88abCl\u539f\u5b50\u53d6\u4ee3\uff0c\u4e92\u4e3a\u987a\u53cd\u5f02\u6784\u4f53\uff0c\u5b83\u4eec\u7684\u7ed3\u6784\u7b80\u5f0f\u4e3a \u3001 \uff0c\u6545\u7b54\u6848\u4e3a\uff1a \u3001 \uff1b\uff085\uff09 \u6709\u591a\u79cd\u540c\u5206\u5f02\u6784\u4f53\uff0c\u5176\u4e2d\u542b\u6709 \u7ed3\u6784\uff0c\u4e14\u82ef\u73af\u4e0a\u542b\u6709\u4e24\u4e2a\u53d6\u4ee3\u57fa\uff0c\u6545\u4e24\u4e2a\u53d6\u4ee3\u57fa\u53ef\u4ee5\u4e3a-COOH\u3001CH 3 \uff0c\u6216\u4e3a-OOCH\u3001CH 3 \uff0c\u5404\u6709\u90bb\u3001\u95f4\u3001\u5bf9\u4e09\u79cd\u4f4d\u7f6e\u5173\u7cfb\uff0c\u6545\u7b26\u5408\u6761\u4ef6\u7684\u540c\u5206\u5f02\u6784\u4f53\u67096\u79cd\uff0c\u5176\u4e2d\u5728\u6838\u78c1\u5171\u632f\u6c22\u8c31\u4e2d\u53ea\u51fa\u73b04\u79cd\u5cf0\u7684\u540c\u5206\u5f02\u6784\u4f53\uff0c2\u4e2a\u53d6\u4ee3\u57fa\u5904\u4e8e\u5bf9\u4f4d\uff0c\u7b26\u5408\u6761\u4ef6\u7684\u540c\u5206\u5f02\u6784\u4f53\u7ed3\u6784\u7b80\u5f0f\u4e3a\uff1a \uff0c\u6545\u7b54\u6848\u4e3a\uff1a6\uff1b \uff0e

\uff3b\u5316\u5b66\u2014\u2014\u9009\u4fee5\uff1a\u6709\u673a\u5316\u5b66\u57fa\u7840\uff3d\uff0815\u5206\uff09\uff081\uff09\uff0dCHO\uff081\u5206\uff09\uff082\uff09\u53d6\u4ee3\u53cd\u5e94\uff082\u5206\uff09\u3000 \u3000 \u7565

有机物A为芳香烃类化合物,其相对分子质量为104,分子中C原子最大数为
104
12
=8…8,故有机物A的分子式为C8H8
不饱和度为5,分子中含有碳碳双键,故A为,A发生加聚反应生成高分子化合物聚苯乙烯,故G的结构为.D能与氢气发生加成反应,能发生银镜反应,结构A的结构可知,D为,E为,C为,C与HBr酸,发生取代反应生成B,故B为,B发生消去反应生成A.F为有香味的有机化合物,故F为苯乙酸苯乙酯,
(1)由上述分析可知,D为,所含官能团为-CHO,故答案为:-CHO;
(2)反应Ⅱ是HBr酸发生取代反应生成,
由上述分析可知G的结构简式为,故答案为:-CHO;;
(3)反应I方程式为:+KOH


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