Qaysi maddalar uchun sis-va trans-izomeriya xos? 1) CH3-C(CH3)=CH-CH3;

31. (99-8-32) Qaysi maddalar uchun sis-va trans-izomeriya xos? 1) CH3-C(CH3)=CH-CH3; 2) CH2=C(C2H5)2; 3) CH3CH=CHCH2CH3; 4) РЎРќР·РЎРќ=РЎ(РЎ2Рќ5)2; 5) РЎ2Рќ5(РЎРќР·)РЎ=РЎ(РЎРќР·)РЎ2Рќ5. A) 1,3 Р’) 2, 4 РЎ) 3,5
D) 2, 5
E) 1, 5