57. (v8-117-29) 5,92 g bir atomli
A spirtning oksidlanishidan oshancha uglerod tutgan Р’ kislota hosil boldi. Р’ kislotaga mol miqdorda etanol (H2S04 ishtirokida) tasir ettirilganda 9,28 g murakkab efir olindi. A spirtning strukturasini aniqlang.
1) CH3CH2CH(OH)CH3;
2) CH3CH2CH2CH2CH2OH;
3) CH3CH(CH3)CH2OH;
4) CH3C(CH3)2CH2OH;
5) CH3CH(CH3)CH(OH)CH3;
6) CH3CH2CH2CH2OH.
A) 3,6 B)1,3, 6
C) 2, 5
D) 2, 4, 5