24. (99-8-13) Quyida keltirilgan
I—IV moddalarda bir-biridan faqat uglerod skeleti bilan farq qiladigan izomerlar jufti (1-6) ni toping. I - СНзСНгСНгСНгУг;
II - CH3CH2CHBrCH3; III - (CH3)2CHCH2Br;
IV - (СНз)зСВг:
1) I, II; 2) I, III; 3) I, IV; 4) II, III;
5) II, IV; 6) III, IV.
A) 1, 3, 4, 5 B)2, 4, 5, 6
C)3, 4, 5, 6
D) 2, 3,4, 5
E) 1, 2, 3, 4