15问答网 > 饱和Na2CO3能鉴别乙酸，乙醇，乙酸乙酯的原理是什么

饱和Na2CO3能鉴别乙酸，乙醇，乙酸乙酯的原理是什么

2025-04-01 11:02:22
推荐回答（4个）
回答1：

饱和Na2CO3+乙酸 生成二氧化碳气体
饱和Na2CO3+乙醇 二者互溶
饱和Na2CO3+乙酸乙酯 现象：分层且乙酸乙酯层在上层

回答2：

饱和Na2CO3+乙酸生成二氧化碳气体
饱和Na2CO3+乙醇，互溶，不分层，即无明显的现象
饱和Na2CO3+乙酸乙酯，分层，乙酸乙酯层在上层

回答3：

饱和碳酸钠溶液与乙醇互溶无现象
饱和碳酸钠溶液和乙酸反应有气体生成
饱和碳酸钠和乙酸乙酯不反应，会分层，上层是乙酸乙酯，下面是碳酸钠溶液

回答4：

连续氧化：醇-->醛--->酸 2CH3CH2OH+O2----Cu、加热---->2CH3CHO+2H2O 2CH3CHO+O2------催化剂、加热--->2CH3COOH

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