Question

Осуществите превращение

Answer 1

Ответ:

ch3-ch-coona+na0h=ch3-ch2-ch3 +Na2co3

ch3

ch3-ch2-ch3+Br2=ch3-chBr-ch3+HBr

ch3-с hBr-ch3+KOH(спирт) = ch3-c=ch2 +hBr