C
chontengimoiduoc
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
Dan 1,68 lit hh khÝ X gom 2 hidrocacbon vao binh dd Br2 du. sau phan ung xay ra hoan toan, co 4 gam Br da phan ung va con lai 1,12 lit khi.
Neu dot chay hoan toan 1,68 lit khi X thi sinh ra 2,8 lit khi CO2. Cong thuc phan tu cua hai hidrocacbon la (cac khi deu do o dktc).
A. CH4 va C2H4 B. CH4 va C3H4
C. CH4 va C3H6 D.C2H6 va C3H6
Dap an la C nhung minh nghi A cung dung. ban nao giai thich voi!!!!!!!
Neu dot chay hoan toan 1,68 lit khi X thi sinh ra 2,8 lit khi CO2. Cong thuc phan tu cua hai hidrocacbon la (cac khi deu do o dktc).
A. CH4 va C2H4 B. CH4 va C3H4
C. CH4 va C3H6 D.C2H6 va C3H6
Dap an la C nhung minh nghi A cung dung. ban nao giai thich voi!!!!!!!