C2 h6 c2 h4 c2h5oh ch3 coh ch3 cool
C2H6 (t, Ni)= C2H4 + H2 C2H4 + HOH (H2SO4(k)) = C2H5OH C2H5OH + CuO (t)= CH3COH + Cu + HOH CH3COH + Ag2O (t)= CH3COOH + 2Ag