Question

осуществите превращения и назовите вещества: c2h5oh→c2h4→c2h5cl

Answer 1

СH3-CH2-OH -> CH2=CH2 + H2O (t>140, H2SO4)
CH2=CH2 + HCl -> CH3-CH2-Cl

Answer 2

C2h5oh---->c2h4 + h2o
H2so4 t'
C2h4 + hcl ----->c2h5cl