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深入解析:官能团的多样性与重要性

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实验现象;

有机物的性质;

计算等事实大多是从性质推断出来的。

结构决定性能

在分析有机物的结构时,除了分析有机物中官能团的类型外,还需要关注官能团的数量。

喜欢

当分子式为C4H6的有机物作为催化剂,加入H2时,两种物质的量之比为1:2。

分析:该有机物的官能团可能是碳碳三键;它还可以含有2个碳-碳双键。

分子式为C2H6O2的有机化合物。如果1摩尔该有机化合物与Na充分反应,则可以得到1摩尔H2。

分析:该有机化合物含有两个羟基,由于羟基不能在同一碳原子上孪生,因此该有机化合物为乙二醇。

分子式为C3H6O3的有机物。 1mol该有机物可与Na充分反应,得到1mol H2。 1摩尔该有机物可与碳酸氢钠反应生成1摩尔CO2。

分析:根据1摩尔羟基与氢的关系为2:1,故有机物有2个羟基;另外,根据羧基与CO2的关系为1:1,故有机质含有1个羧基;根据以上分析,有机物中含有1个羧基(也参与与Na的反应)、1个羟基,因此有机物

分子式为C2H4O2的有机化合物。 1摩尔该有机化合物在稀硫酸作用下可水解;这种有机化合物可以与新鲜的氢氧化铜溶液共加热,产生砖红色沉淀。

分析:在酸性条件下水解,有机物含有酯基;可发生费林反应。该有机物是甲酸酯(其分子结构中含有醛基的特征)。综上所述,这种有机物质就是甲酸甲酯。

甲酸甲酯

关于深入解析:官能团的多样性与重要性的内容到此结束,希望对大家有所帮助。

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