... CH 2 =CH 2 + H 2 ( xt, t0 ) CH3CH 2 CH 2 CH3 CH 2 =CH–CH 2 =CH + 2H 2 ( xt, t0 ) (CH3) 2 CHCH 2 CH3 CH 2 =C(CH3)–CH=CH 2 + 2H 2 ( xt, t0 ) CH 2 =CH 2 + H 2 ... 4000C, 20 0atm ) 3CH 2 =CH 2 + 2KMnO4 + 4H 2 O 3 HO–CH 2 –CH 2 –OH + 2MnO 2 + 2KOH CH 2 =CH 2 + HOH CH3CH 2 OH ( H3PO4, 3000C ) CH 2 =CH 2 + ½ O 2 CH3CH=O ( PdCl 2 , ... ) CH 2 –OH CH 2 –OH HO–CH 2 2 CH –OH + Cu(OH) 2 CH–O Cu O–CH 2 + 2H 2 O CH 2 –OH CH 2 –OH HO–CH 2 CH3 CHO + ½ O 2 CH3COOH ( xt, t0 ) CH3 CHO + Br 2 + H 2 O CH3COOH + 2HBr...