D
ducdat091
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
sắp xếp các chất theo thứ tự tăng dần tính axit
(1)CH3-CH2-COOH; (2)CH2Cl-CH2-COOH; (3)CH3-CHF-COOH; (4)CH3-CHCl-COOH
(1)CH3-CH2-COOH; (2)CH2Cl-CH2-COOH; (3)CH3-CHF-COOH; (4)CH3-CHCl-COOH