Question

CH3CH2OH-->A-->CH3COOH-->B-->ClCH2COOH ?????

Answer 1

CH₃-CH₂-OH = CH₃-COH + H₂
CH₃-COH + 2Cu(OH)₂ = CH₃-COOH + Cu₂O + 2H₂O
CH₃-COOH + Cl₂ = Cl-CH₂-COOH + HCl (условие hv)