Цепочка по химии !!!!!!!!!!!!!
СH3-CH2-CH2OH ---(t,H2SO4k)--- CH3-CH=CH2 + H2O
CH3-CH=CH2 + Br2 ---- CH3-CHBr-CH2Br
CH3-CHBr-CH2Br + 2KOH(спирт) --(t)-- CH3-C≡CH + 2KBr + 2H2O
CH3-C≡CH + H2O --- CH3-CO-CH3
CH3-CO-CH3 + H2 ---(kat)-- CH3-CHOH-CH3
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