Ответ 4. Оксид X2O7+H2O=2HXO4
N(Na2SO3) = Cм*V = 0,3 моль/л*0,2 л = 0,06 моль
m(Na2SO3) = n*M = 0,06 моль*126 г/моль = 7,56г
AlCl3,t
1) СH3 – CH2 – CH2 – CH3 ------------ > СH3 – CH – CH3
|
CH3
2) Cl
|
СH3 – CH – CH3 + Cl2 -------> СH3 – C – CH3 + HCl
| |
CH3 CH3
3)
Cl
| AlCl3,t
СH3 – C – CH3 + H2 --------- > СH3 – CH2 – CH2 – CH3 + HCl
|
CH3
Kt, t
4) СH3 – CH2 – CH2 – CH3 -------------- > СH2 = CH2 + CH3 – CH3
5) СH2 = CH2 + H2O --------------- > СH3 – CH2 – OH