已知有如图反应:o o-|||-o CH2CH2COOC2H5-|||-(H)_(2)=CH-COO(C)_(2)(H)_(5) O-|||-A C2H5ONa,反应I _(3)C-overset (overset {H)(|)}(C)-overset (overset {C)(|)}(C)-COO(C)_(2)(H)_(5)-|||-CH2CH2 COOC2H5 反应Ⅱ-|||-B-|||-o CH2CH22COOH-|||-H3C- -COOH 多步 _(3)C-overset (overset {H)(|)}(C)-CH[ ((C{H)_(3))}_(2)COO(C)_(2)(H)_(5)] }_(2)- HO OH-|||-CH2CH2COOH D-|||-反应Ⅲ-|||-C-|||-H3C CH[(CH3)2CO C2H5]2 多步 H3C -c = 0-|||-E F完成下列填空:(1)写出A中含氧的官能团的结构简式为____。(2)写出A发生聚合反应的化学方程式____。(3)反应Ⅰ的反应类型是___;反应Ⅱ的条件是___、___。(4)反应Ⅱ的作用是___。(5)已知下面两种路径制备乙二醇。o o-|||-o CH2CH2COOC2H5-|||-(H)_(2)=CH-COO(C)_(2)(H)_(5) O-|||-A C2H5ONa,反应I _(3)C-overset (overset {H)(|)}(C)-overset (overset {C)(|)}(C)-COO(C)_(2)(H)_(5)-|||-CH2CH2 COOC2H5 反应Ⅱ-|||-B-|||-o CH2CH22COOH-|||-H3C- -COOH 多步 _(3)C-overset (overset {H)(|)}(C)-CH[ ((C{H)_(3))}_(2)COO(C)_(2)(H)_(5)] }_(2)- HO OH-|||-CH2CH2COOH D-|||-反应Ⅲ-|||-C-|||-H3C CH[(CH3)2CO C2H5]2 多步 H3C -c = 0-|||-E F①已知G有两种官能团,G的结构简式为____。②请从绿色化学角度评价上述两种制备方案___。

3 . 已知有如图反应:

完成下列填空:
(1)写出A中含氧的官能团的结构简式为____
(2)写出A发生聚合反应的化学方程式____
(3)反应Ⅰ的反应类型是___;反应Ⅱ的条件是______
(4)反应Ⅱ的作用是___
(5)已知下面两种路径制备乙二醇。

①已知G有两种官能团,G的结构简式为____
②请从绿色化学角度评价上述两种制备方案___

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