已知A是乙烯,B、C、D、E均为常见的有机物,在一定条件下,它们有如图所示的转化关系

\u5df2\u77e5A\u662f\u4e59\u70ef\uff0cB\u3001C\u3001D\u3001E\u5747\u4e3a\u5e38\u89c1\u7684\u6709\u673a\u7269\uff0c\u5728\u4e00\u5b9a\u6761\u4ef6\u4e0b\uff0c\u5b83\u4eec\u6709\u5982\u4e0b\u56fe\u6240\u793a\u7684\u8f6c\u5316\u5173\u7cfb\u3002

\uff081\uff09CH 3 COOH \uff082\uff09BC \uff083\uff09\u2462 \uff084\uff09C>B>A \uff085\uff09CH 3 COOCH 2 CH 3 +NaOH CH 3 COONa+CH 3 CH 2 OH

A\u662f\u4e59\u70ef\uff0cA\u80fd\u751f\u6210B\uff0cB\u80fd\u751f\u6210A\uff0c\u4e14B\u3001C\u3001D\u3001E\u5747\u4e3a\u5e38\u89c1\u7684\u6709\u673a\u7269\uff0cB\u548cC\u53cd\u5e94\u751f\u6210D\uff0cD\u80fd\u548c\u6c22\u6c27\u5316\u94a0\u6eb6\u6db2\u53cd\u5e94\u751f\u6210B\u548cE\uff0c\u5219D\u662f\u916f\uff0cB\u662f\u9187\uff0c\u4e3a\u4e59\u9187\uff0cC\u662f\u4e59\u9178\uff0cD\u662f\u4e59\u9178\u4e59\u916f\uff0c\u4e59\u9178\u4e59\u916f\u548c\u6c22\u6c27\u5316\u94a0\u6eb6\u6db2\u53cd\u5e94\u751f\u6210\u4e59\u9187\u548c\u4e59\u9178\u94a0\uff0c\u6240\u4ee5E\u662f\u4e59\u9178\u94a0\uff0e\uff081\uff09\u901a\u8fc7\u4ee5\u4e0a\u5206\u6790\u77e5\uff0cC\u662f\u4e59\u9178\uff0c\u5176\u7ed3\u6784\u7b80\u5f0f\u4e3a\uff1aCH3COOH\uff0c\u6545\u7b54\u6848\u4e3a\uff1aCH3COOH\uff1b \uff082\uff09\u80fd\u548c\u94a0\u53cd\u5e94\u7684\u7269\u8d28\u542b\u6709\u7f9f\u57fa\u6216\u7fa7\u57fa\uff0c\u4e59\u9187\u4e2d\u542b\u6709\u7f9f\u57fa\uff0c\u4e59\u9178\u4e2d\u542b\u6709\u7fa7\u57fa\uff0c\u6240\u4ee5BC\u80fd\u548c\u94a0\u53cd\u5e94\u751f\u6210\u6c22\u6c14\uff0c\u6545\u7b54\u6848\u4e3a\uff1aBC\uff1b \uff083\uff09\u4e59\u70ef\u751f\u6210\u4e59\u9178\u53d1\u751f\u6c27\u5316\u53cd\u5e94\uff0c\u6545\u9009\u2462\uff1b\uff084\uff09\u4e59\u70ef\u53d1\u751f\u52a0\u6210\u53cd\u5e94\u751f\u6210\u4e59\u9187\uff0c\u6240\u4ee5\u4e59\u70ef\u7684\u6469\u5c14\u8d28\u91cf\u5927\u4e8e\u4e59\u9187\uff0c\u4e59\u9187\u7684\u6469\u5c14\u8d28\u91cf\u5c0f\u4e8e\u4e59\u9178\uff0c\u6240\u4ee5A\u3001B\u3001C\u4e09\u79cd\u7269\u8d28\u7684\u6469\u5c14\u8d28\u91cf\u7531\u5927\u5230\u5c0f\u7684\u987a\u5e8f\u662fC\uff1eB\uff1eA\uff0c\u6545\u7b54\u6848\u4e3a\uff1aC\uff1eB\uff1eA\uff1b\uff085\uff09\u52a0\u70ed\u6761\u4ef6\u4e0b\uff0c\u4e59\u9178\u4e59\u916f\u548c\u6c22\u6c27\u5316\u94a0\u53cd\u5e94\u751f\u6210\u4e59\u9178\u94a0\u548c\u4e59\u9187\uff0c\u53cd\u5e94\u65b9\u7a0b\u5f0f\u4e3a\uff1aCH3COOCH2CH3+NaOH \u25b3 CH3COONa+CH3CH2OH\uff0c\u6545\u7b54\u6848\u4e3a\uff1aCH3COOCH2CH3+NaOH \u25b3 CH3COONa+CH3CH2OH\uff0e

(1)CH3COOH
(2)BC
(3)3
(4)C>B>A
(5)CH3COOC2H5+NaOH→CH3COONa+C2H5OH,条件:△

解析:
A是CH2=CH2,B是C2H5OH,C是CH3COOH,D是CH3COOC2H5,E是CH3COONa

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