乙酸乙酯的制取:先加乙醇,再加浓硫酸,最后加乙酸.顺序是密度先小后大,然后加热 .
方程式:CH3COOH+CH3CH2OH===CH3COOC2H5+H2O
(可逆反应、加热、浓硫酸催化剂)
乙酸过量可以避免乙酸乙酯和乙醇形成恒沸物 ;
乙酸和乙酸乙酯不共沸,过量乙酸不影响产物的蒸馏.
猜你喜欢
- 1霍尔系数
- 2环境生态学相关知识
- 3Nothing could stop me loving me,even though you don't love me.Please keep 'I love you' in the
- 4英语读疑问句的时候语调是否要上升?
- 5方程2x^2-xy-3x+y+2006=0的正整 数解为
- 6(1) 函数y=ax方+bx+c的最大值是2,图像顶点在y=x+2上,经过(3,-6)求abc
- 7初二语文上册配套练习册第11课答案.是朱自清的≪春≫
- 8Lots of American families like to have a h 1 in summer.Summer a good s 2 for holiday.It is often
- 9all the family members are e____ to come back home.
- 10作文 《两代人的对话》 写800字,